Merge branch 'main' of https://github.com/OrcaSlicer/OrcaSlicer_priv into feat/printer-agent-impl

src/CMakeLists.txt

@@ -33,7 +33,8 @@ if (SLIC3R_GUI)
         set (wxWidgets_CONFIG_OPTIONS "--toolkit=gtk${SLIC3R_GTK}")
         find_package(wxWidgets 3.3 REQUIRED COMPONENTS base core adv html gl aui net media webview)
     else ()
-        find_package(wxWidgets 3.3 CONFIG REQUIRED COMPONENTS html adv gl core base webview aui net media)
+        # propgrid is required by wxInspector.
+        find_package(wxWidgets 3.3 CONFIG REQUIRED COMPONENTS html adv gl core base webview aui net media propgrid)
     endif ()
 
     if(UNIX)
@@ -90,6 +91,16 @@ if (SLIC3R_GUI)
 #    list(REMOVE_ITEM wxWidgets_LIBRARIES oleacc)
 
     find_package(wxInspector REQUIRED)
+
+    # wxInspector's exported interface names the release wxWidgets import
+    # libraries, which a Debug build cannot link. wx is linked above instead.
+    get_target_property(_wxinspector_interface wxInspector::wxInspector INTERFACE_LINK_LIBRARIES)
+    if (_wxinspector_interface)
+        list(FILTER _wxinspector_interface EXCLUDE REGEX "wx(base|msw)3[0-9]u[_.]")
+        set_target_properties(wxInspector::wxInspector PROPERTIES
+            INTERFACE_LINK_LIBRARIES "${_wxinspector_interface}")
+    endif ()
+
     list(APPEND wxWidgets_LIBRARIES "wxInspector::wxInspector")
 
     message(STATUS "wx libs: ${wxWidgets_LIBRARIES}")

src/OrcaSlicer.cpp

@@ -53,6 +53,7 @@ using namespace nlohmann;
 
 #include "libslic3r/libslic3r.h"
 #include "libslic3r/Config.hpp"
+#include "libslic3r/Preset.hpp"
 #include "libslic3r/Geometry.hpp"
 #include "libslic3r/GCode.hpp"
 #include "libslic3r/Model.hpp"
@@ -77,8 +78,9 @@ using namespace nlohmann;
 #include "libslic3r/ObjColorUtils.hpp"
 
 #include "OrcaSlicer.hpp"
-//BBS: add exception handler for win32
+#include <wx/filename.h>
 #include <wx/stdpaths.h>
+//BBS: add exception handler for win32
 #ifdef WIN32
 #include "dev-utils/BaseException.h"
 #endif
@@ -100,6 +102,10 @@ using namespace nlohmann;
 
 #ifdef SLIC3R_GUI
     #include "slic3r/GUI/GUI_Init.hpp"
+    // BBLPrinterAgent::from_orca_filament_id(); the map and its lookups live in libslic3r_gui,
+    // which only a SLIC3R_GUI build links (see target_link_libraries(OrcaSlicer libslic3r_gui)
+    // in CMakeLists).
+    #include "slic3r/Utils/BBLPrinterAgent.hpp"
 #endif /* SLIC3R_GUI */
 
 using namespace Slic3r;
@@ -1462,6 +1468,10 @@ int CLI::run(int argc, char **argv)
     std::vector<std::string> upward_compatible_printers, new_print_compatible_printers, current_print_compatible_printers, current_different_settings;
     std::vector<std::string> current_filaments_name, current_filaments_system_name, current_inherits_group, current_extruder_variants, new_extruder_variants, current_print_extruder_variants, new_printer_extruder_variants;
     DynamicPrintConfig load_process_config, load_machine_config;
+    //ORCA: full configs of the "current" (3MF-embedded) process/printer presets, kept so that
+    //      compatible_printers_condition can be evaluated for them below. Previously only the
+    //      literal compatible_printers list was extracted.
+    DynamicPrintConfig current_process_full_config, current_printer_full_config;
     bool new_process_config_is_system = true, new_printer_config_is_system = true;
     std::string pipe_name, makerlab_name, makerlab_version, different_process_setting;
     const std::vector<std::string>              &metadata_name               = m_config.option<ConfigOptionStrings>("metadata_name", true)->values;
@@ -1921,7 +1931,7 @@ int CLI::run(int argc, char **argv)
             }
         }
         catch (std::exception& e) {
-            boost::nowide::cerr << construct_assemble_list << ": " << e.what() << std::endl;
+            boost::nowide::cerr << "construct_assemble_list: " << e.what() << std::endl;
             record_exit_reson(outfile_dir, CLI_DATA_FILE_ERROR, 0, cli_errors[CLI_DATA_FILE_ERROR], sliced_info);
             flush_and_exit(CLI_DATA_FILE_ERROR);
         }
@@ -1970,7 +1980,124 @@ int CLI::run(int argc, char **argv)
         }
     }
 
-    auto load_config_file = [](const std::string& file, DynamicPrintConfig& config, std::string& config_type,
+    std::unique_ptr<PresetBundle> cli_preset_bundle;
+    auto ensure_cli_preset_bundle = [&cli_preset_bundle](std::string &error) -> PresetBundle * {
+        if (cli_preset_bundle)
+            return cli_preset_bundle.get();
+        try {
+            AppConfig app_config;
+            const std::string app_config_error = app_config.load_if_exists();
+            if (!app_config_error.empty()) {
+                BOOST_LOG_TRIVIAL(warning) << "Ignoring invalid app config during CLI preset resolution: " << app_config_error;
+                app_config.reset();
+            }
+
+            auto bundle = std::make_unique<PresetBundle>();
+            std::string load_error;
+            bundle->load_presets(app_config, config_substitution_rule,
+                                 PresetBundle::PresetPreferences(), &load_error, true);
+            if (!load_error.empty()) {
+                error = "Failed to load presets for inheritance resolution: " + load_error;
+                return nullptr;
+            }
+            cli_preset_bundle = std::move(bundle);
+            return cli_preset_bundle.get();
+        } catch (const std::exception &ex) {
+            error = ex.what();
+            return nullptr;
+        }
+    };
+
+    auto resolve_preset = [&ensure_cli_preset_bundle](const std::string &file, DynamicPrintConfig &config,
+                                                                               std::string &config_type, const std::string &config_from,
+                                                                               bool probe_type, std::string &error) {
+        const auto *inherits = config.option<ConfigOptionString>(BBL_JSON_KEY_INHERITS);
+        if (!probe_type && (inherits == nullptr || inherits->value.empty()))
+            return true;
+
+        std::unique_ptr<PresetBundle> source_bundle;
+        PresetBundle                 *bundle = nullptr;
+        bool                          allow_source_manifest = false;
+        if (config_from == "system") {
+            source_bundle         = std::make_unique<PresetBundle>();
+            bundle                = source_bundle.get();
+            allow_source_manifest = true;
+        } else {
+            bundle = ensure_cli_preset_bundle(error);
+            if (bundle == nullptr)
+                return false;
+        }
+
+        if (probe_type) {
+            Preset::Type preset_type;
+            if (!bundle->resolve_preset_config_type(config, preset_type, file, config_substitution_rule,
+                                                    error, allow_source_manifest))
+                return false;
+            config_type = Preset::get_type_string(preset_type);
+            return true;
+        }
+
+        Preset::Type preset_type;
+        if (config_type == "process")
+            preset_type = Preset::TYPE_PRINT;
+        else if (config_type == "filament")
+            preset_type = Preset::TYPE_FILAMENT;
+        else if (config_type == "machine")
+            preset_type = Preset::TYPE_PRINTER;
+        else {
+            error = "Unsupported preset type: " + config_type;
+            return false;
+        }
+        return bundle->resolve_preset_config(config, preset_type, file, config_substitution_rule,
+                                             error, allow_source_manifest);
+    };
+
+    //ORCA: list the keys a user preset overrides relative to its system parent, for the
+    //      `different_settings_to_system` column of an exported 3MF. Without it the CLI
+    //      writes an empty column, so re-opening a CLI-exported project in the GUI shows
+    //      spurious "unsaved changes" and can revert inherited process/filament/machine
+    //      values to system defaults.
+    //
+    //      The parent comes from the preset bundle that inherits resolution already builds,
+    //      so this adds no extra loading. Returns "" whenever the parent cannot be resolved,
+    //      which is exactly the previous behaviour.
+    auto cli_different_settings = [&ensure_cli_preset_bundle](const DynamicPrintConfig &resolved,
+                                                              const std::string        &parent_name,
+                                                              Preset::Type              type) -> std::string {
+        if (parent_name.empty())
+            return std::string();
+        std::string   error;
+        PresetBundle *bundle = ensure_cli_preset_bundle(error);
+        if (bundle == nullptr) {
+            BOOST_LOG_TRIVIAL(warning) << "CLI: no preset bundle for different_settings_to_system: " << error;
+            return std::string();
+        }
+        const PresetCollection *collection = nullptr;
+        switch (type) {
+        case Preset::TYPE_PRINT:    collection = &bundle->prints;    break;
+        case Preset::TYPE_FILAMENT: collection = &bundle->filaments; break;
+        case Preset::TYPE_PRINTER:  collection = &bundle->printers;  break;
+        default:                    return std::string();
+        }
+        const Preset *parent = collection->find_preset2(parent_name, true);
+        if (parent == nullptr) {
+            BOOST_LOG_TRIVIAL(warning) << boost::format("CLI: parent preset '%1%' not found; leaving different_settings_to_system empty")%parent_name;
+            return std::string();
+        }
+        std::vector<std::string> keys = resolved.diff(parent->config);
+        //ORCA: preset metadata, not user-tunable settings. compatible_printers /
+        //      compatible_prints have their own tracking columns and would double-count.
+        keys.erase(std::remove_if(keys.begin(), keys.end(), [](const std::string &k) {
+                       return k == "inherits" || k == "compatible_printers" || k == "compatible_prints"
+                           || k == "compatible_printers_condition" || k == "compatible_prints_condition"
+                           || k == "print_settings_id" || k == "filament_settings_id" || k == "printer_settings_id";
+                   }),
+                   keys.end());
+        BOOST_LOG_TRIVIAL(info) << boost::format("CLI: %1% overrides vs parent '%2%'")%keys.size()%parent_name;
+        return Slic3r::escape_strings_cstyle(keys);
+    };
+
+    auto load_config_file = [&resolve_preset](const std::string& file, DynamicPrintConfig& config, std::string& config_type,
                                 std::string& config_name, std::string& filament_id, std::string& config_from) {
         if (! boost::filesystem::exists(file)) {
             boost::nowide::cerr << __FUNCTION__<< ": can not find setting file: " << file << std::endl;
@@ -1999,9 +2126,15 @@ int CLI::run(int argc, char **argv)
             }
 
             auto type_iter = key_values.find(BBL_JSON_KEY_TYPE);
-            if (type_iter != key_values.end()) {
+            const bool probe_type = type_iter == key_values.end();
+            if (!probe_type)
                 config_type = type_iter->second;
+
+            if (!resolve_preset(file, config, config_type, config_from, probe_type, reason)) {
+                boost::nowide::cerr << __FUNCTION__ << boost::format(": can not resolve preset %1%: %2%") % file % reason << std::endl;
+                return CLI_CONFIG_FILE_ERROR;
             }
+
             if (config_type == "machine") {
                 //config.set("printer_settings_id", config_name, true);
                 //printer_inherits = config.option<ConfigOptionString>("inherits", true)->value;
@@ -2553,6 +2686,8 @@ int CLI::run(int argc, char **argv)
                     flush_and_exit(ret);
                 }
                 upward_compatible_printers = config.option<ConfigOptionStrings>("upward_compatible_machine", true)->values;
+                //ORCA: keep the full config so compatible_printers_condition can be evaluated against it below
+                current_printer_full_config = std::move(config);
             }
         }
     }
@@ -2575,6 +2710,8 @@ int CLI::run(int argc, char **argv)
                     flush_and_exit(ret);
                 }
                 current_print_compatible_printers  = config.option<ConfigOptionStrings>("compatible_printers", true)->values;
+                //ORCA: keep the full config so compatible_printers_condition can be evaluated against it below
+                current_process_full_config = std::move(config);
             }
         }
     }
@@ -2593,46 +2730,88 @@ int CLI::run(int argc, char **argv)
     for (int index = 0; index < upward_compatible_printers.size(); index++) {
         BOOST_LOG_TRIVIAL(info) << boost::format("index %1%, upward_compatible_printers %2%")%index %upward_compatible_printers[index];
     }
+    //ORCA: Replace the four manual equality-loop checks below with is_compatible_with_printer(), the
+    //      same helper the GUI uses, which also evaluates compatible_printers_condition. Process
+    //      profiles that declare compatibility via condition only -- leaving compatible_printers
+    //      empty -- were always reported incompatible by the literal-name match, so a CLI slice with
+    //      such a preset exited with CLI_PROCESS_NOT_COMPATIBLE (-17) even though the GUI accepts the
+    //      same pair. Behaviour is unchanged where an explicit list exists: is_compatible_with_printer
+    //      does the same name match, and returns true when both list and condition are empty (which
+    //      matches the "old 3mf, no compatible printers" path below).
+    auto check_compat = [](const DynamicPrintConfig &process_cfg,
+                           const DynamicPrintConfig &printer_cfg,
+                           const std::string        &printer_name) -> bool {
+        return is_compatible_with_printer(process_cfg, Preset::TYPE_PRINT, printer_cfg, printer_name);
+    };
+
+    //ORCA: a 3MF's project config does not carry compatible_printers / compatible_printers_condition.
+    //      PresetBundle::construct_full_config() erases both and re-emits them as
+    //      print_compatible_printers and compatible_machine_expression_group; they are renamed back
+    //      only on the PresetBundle load path, which the CLI does not take. Feeding the project config
+    //      to the check as-is therefore presents no list and no condition, and
+    //      is_compatible_with_printer() reads that as "no constraint" and accepts every printer.
+    //      Translate the two keys back. Index 0 of the expression group is the print preset -- the
+    //      group is filled print, filaments, printer (PresetBundle.cpp).
+    //      The raw keys win whenever they carry something. A project the CLI exported itself has the
+    //      real compatible_printers_condition AND an all-empty compatible_machine_expression_group,
+    //      so copying the group's first entry unconditionally would overwrite a valid condition with
+    //      "" and accept every printer. The renamed keys are only a fallback, and an empty value is
+    //      never written over a real one.
+    auto cli_process_compat_config = [](const DynamicPrintConfig &project_cfg) -> DynamicPrintConfig {
+        DynamicPrintConfig cfg = project_cfg;
+        const auto *raw_list = project_cfg.option<ConfigOptionStrings>("compatible_printers");
+        const auto *list     = project_cfg.option<ConfigOptionStrings>("print_compatible_printers");
+        if ((raw_list == nullptr || raw_list->values.empty()) && list != nullptr && !list->values.empty())
+            cfg.set_key_value("compatible_printers", new ConfigOptionStrings(list->values));
+        const auto *raw_cond = project_cfg.option<ConfigOptionString>("compatible_printers_condition");
+        const auto *group    = project_cfg.option<ConfigOptionStrings>("compatible_machine_expression_group");
+        if ((raw_cond == nullptr || raw_cond->value.empty()) && group != nullptr && !group->values.empty() &&
+            !group->values.front().empty())
+            cfg.set_key_value("compatible_printers_condition", new ConfigOptionString(group->values.front()));
+        return cfg;
+    };
     if (!new_printer_name.empty()) {
         if (!new_process_name.empty()) {
-            for (int index = 0; index < new_print_compatible_printers.size(); index++) {
-                if (new_print_compatible_printers[index] == new_printer_system_name) {
-                    process_compatible = true;
-                    break;
-                }
-            }
+            //new process + new printer: both configs came from --load-settings
+            process_compatible = check_compat(load_process_config, load_machine_config, new_printer_system_name);
             BOOST_LOG_TRIVIAL(info) << boost::format("new printer %1%, inherited from %2%, new process %3%, inherited from %4% ,compatible %5%")
                 %new_printer_name %new_printer_system_name %new_process_name %new_process_system_name %process_compatible;
         }
         else {
-            for (int index = 0; index < current_print_compatible_printers.size(); index++) {
-                if (current_print_compatible_printers[index] == new_printer_system_name) {
-                    process_compatible = true;
-                    break;
-                }
+            //3MF-embedded process vs new printer. current_process_full_config is only populated from
+            //profiles/BBL/process_full/, so for every other vendor fall back to the 3MF's own project
+            //config in m_print_config, with its renamed compatibility keys translated back (see
+            //cli_process_compat_config above). Without this a 3MF built from a condition-only process
+            //is rejected when re-sliced with the very printer it was made for.
+            {
+                //ORCA: profiles/BBL/{process,machine}_full/ are gitignored and not generated in-tree,
+                //      so current_*_full_config is always empty and this fallback is the only live path.
+                const DynamicPrintConfig process_cfg = current_process_full_config.empty()
+                                                           ? cli_process_compat_config(m_print_config)
+                                                           : current_process_full_config;
+                process_compatible = check_compat(process_cfg, load_machine_config, new_printer_system_name);
             }
             BOOST_LOG_TRIVIAL(info) << boost::format("new printer %1%, inherited from %2%, old process %3%, inherited from %4% ,compatible %5%")
                 %new_printer_name %new_printer_system_name %current_process_name %current_process_system_name %process_compatible;
         }
     }
     else if (!new_process_name.empty()) {
-        for (int index = 0; index < new_print_compatible_printers.size(); index++) {
-            if (new_print_compatible_printers[index] == current_printer_system_name) {
-                process_compatible = true;
-                break;
-            }
+        //new process vs 3MF-embedded printer. As above, current_printer_full_config only resolves for
+        //BBL profiles; otherwise evaluate against the 3MF's own project config in m_print_config, which
+        //holds the embedded printer's printer_notes / nozzle_diameter.
+        {
+            const DynamicPrintConfig &printer_cfg = current_printer_full_config.empty() ? m_print_config : current_printer_full_config;
+            process_compatible = check_compat(load_process_config, printer_cfg, current_printer_system_name);
         }
         BOOST_LOG_TRIVIAL(info) << boost::format("old printer %1%, inherited from %2%, new process %3%, inherited from %4% ,compatible %5%")
             %current_printer_name %current_printer_system_name %new_process_name %new_process_system_name %process_compatible;
     }
     else {
-        //check the compatible of old printer&&process
-        for (int index = 0; index < current_print_compatible_printers.size(); index++) {
-            if (current_print_compatible_printers[index] == current_printer_system_name) {
-                process_compatible = true;
-                break;
-            }
-        }
+        //both sides 3MF-embedded (pure reprocess)
+        if (!current_process_full_config.empty() && !current_printer_full_config.empty())
+            process_compatible = check_compat(current_process_full_config, current_printer_full_config, current_printer_system_name);
+        else
+            process_compatible = std::find(current_print_compatible_printers.begin(), current_print_compatible_printers.end(), current_printer_system_name) != current_print_compatible_printers.end();
         if (!process_compatible && current_print_compatible_printers.empty())
         {
             BOOST_LOG_TRIVIAL(info) << boost::format("old 3mf, no compatible printers, set to compatible");
@@ -2855,8 +3034,10 @@ int CLI::run(int argc, char **argv)
             }
         }
         else {
-            //todo: support user machine preset's different settings
-            different_settings[filament_count+1] = "";
+            //ORCA: was a //todo — compute the user's overrides instead of writing an empty column.
+            different_settings[filament_count+1] = new_printer_config_is_system
+                ? std::string()
+                : cli_different_settings(load_machine_config, new_printer_system_name, Preset::TYPE_PRINTER);
             if (new_printer_config_is_system)
                 inherits_group[filament_count+1] = "";
             else
@@ -2998,8 +3179,14 @@ int CLI::run(int argc, char **argv)
             print_compatible_printers = std::move(current_print_compatible_printers);
         }
         else {
-            //todo: support system process preset
-            different_settings[0] = "";
+            //ORCA: was a //todo. Prefer a value the loaded JSON already carried, otherwise
+            //      compute the overrides against the system parent.
+            if (!different_process_setting.empty())
+                different_settings[0] = different_process_setting;
+            else
+                different_settings[0] = new_process_config_is_system
+                    ? std::string()
+                    : cli_different_settings(load_process_config, new_process_system_name, Preset::TYPE_PRINT);
             if (new_process_config_is_system)
                 inherits_group[0] = "";
             else
@@ -3186,6 +3373,16 @@ int CLI::run(int argc, char **argv)
             int filament_index = load_filaments_index[index];
             std::vector<std::string> different_keys;
 
+            //ORCA: diff before load_default_gcodes_to_config, the way the process and machine
+            //      slots above already do. That call materialises absent gcode keys via
+            //      option(..., true), and DynamicConfig::diff only compares keys present in
+            //      both configs -- so a gcode key the leaf did not carry would go from "not
+            //      compared" to "compared as empty against the parent" and land in the column
+            //      as an override the user never made.
+            std::string filament_different_settings;
+            if (load_filament_count > 0)
+                filament_different_settings = cli_different_settings(config, load_filaments_inherit[index], Preset::TYPE_FILAMENT);
+
             load_default_gcodes_to_config(config, Preset::TYPE_FILAMENT);
 
             if (load_filament_count > 0) {
@@ -3197,8 +3394,8 @@ int CLI::run(int argc, char **argv)
                 opt_filament_settings->set_at(filament_name_setting, filament_index-1, 0);
                 config.erase("filament_settings_id");
 
-                //todo: update different settings of filaments
-                different_settings[filament_index] = "";
+                //ORCA: was a //todo — same treatment as process/machine above.
+                different_settings[filament_index] = filament_different_settings;
                 inherits_group[filament_index] = load_filaments_inherit[index];
             }
             else {
@@ -3649,9 +3846,94 @@ int CLI::run(int argc, char **argv)
         }
     }
 
+    //ORCA: settings passed on the command line (--sparse-infill-density 25% ...) override the loaded
+    //      presets right here, so they belong in different_settings_to_system just as a preset
+    //      override does. Without them re-opening the exported project in the GUI shows nothing
+    //      modified and reverts those values to the system presets'.
+    //
+    //      The keys come from m_config, not m_extra_config: read_cli() puts only what the user typed
+    //      into m_config (setup() adds nothing but CLI-own defaults), whereas the CLI writes its own
+    //      values into m_extra_config. Only keys whose value the override actually changed are
+    //      recorded -- a typed value equal to the loaded one modifies nothing -- and each lands in
+    //      the column(s) whose preset type owns it: [0] process, [1..n-2] filaments, [n-1] printer.
+    //
+    //      "Changed" is judged the way the value is read: a list is compared entry by entry with a
+    //      missing entry read as the first, as get_at() does -- so --nozzle-temperature 245 against
+    //      245,245,245 is no change, although the two serialize differently.
+    //
+    //      A key the loaded config does not carry at all is always recorded, even if the typed value
+    //      equals the built-in default. On reopen the GUI restores an unlisted key from the SYSTEM
+    //      preset, which need not match that default: a 3MF written before an option existed leaves
+    //      it absent here, and --sparse-infill-density 20% (the default) against a Prusa system 15%
+    //      would otherwise go unrecorded and be reverted. Over-recording is cosmetic; under-recording
+    //      loses the value.
+    std::map<std::string, std::unique_ptr<ConfigOption>> cli_override_before;
+    for (const std::string &key : m_config.keys()) {
+        if (!m_extra_config.has(key))
+            continue;
+        const ConfigOption *loaded = m_print_config.option(key);
+        cli_override_before[key].reset(loaded != nullptr ? loaded->clone() : nullptr); // null: always recorded
+    }
+
     // Apply command line options to a more specific DynamicPrintConfig which provides normalize()
     // (command line options override --load files)
     m_print_config.apply(m_extra_config, true);
+
+    if (!cli_override_before.empty()) {
+        std::vector<std::string> &columns = m_print_config.option<ConfigOptionStrings>("different_settings_to_system", true)->values;
+        auto owned_by = [](const std::vector<std::string> &options, const std::string &key) {
+            return std::find(options.begin(), options.end(), key) != options.end();
+        };
+        auto add_to_column = [&columns](size_t index, const std::string &key) {
+            std::vector<std::string> keys;
+            Slic3r::unescape_strings_cstyle(columns[index], keys);
+            if (std::find(keys.begin(), keys.end(), key) == keys.end()) {
+                keys.push_back(key);
+                columns[index] = Slic3r::escape_strings_cstyle(keys);
+            }
+        };
+        auto same_value = [](const ConfigOption *a, const ConfigOption *b) {
+            if (a == nullptr || b == nullptr)
+                return false;
+            const auto *va = dynamic_cast<const ConfigOptionVectorBase *>(a);
+            const auto *vb = dynamic_cast<const ConfigOptionVectorBase *>(b);
+            if (va == nullptr || vb == nullptr)
+                return va == vb && a->serialize() == b->serialize();
+            const std::vector<std::string> ea = va->vserialize(), eb = vb->vserialize();
+            if (ea.empty() || eb.empty())
+                return ea.empty() && eb.empty();
+            for (size_t i = 0; i < std::max(ea.size(), eb.size()); ++i)
+                if (ea[i < ea.size() ? i : 0] != eb[i < eb.size() ? i : 0])
+                    return false;
+            return true;
+        };
+        //ORCA: always true after the resize to filament_count + 2 above, and nothing in between can
+        //      shrink the column vector -- different_settings_to_system is not a CLI option. Kept as
+        //      a check rather than an assert: release builds compile asserts out, so an assert would
+        //      protect nothing, while a build with _GLIBCXX_ASSERTIONS would abort on columns[0].
+        if (columns.size() >= 2) {
+            for (const auto &[key, before] : cli_override_before) {
+                if (same_value(before.get(), m_print_config.option(key)))
+                    continue;
+                bool recorded = false;
+                if (owned_by(Preset::print_options(), key)) {
+                    add_to_column(0, key);
+                    recorded = true;
+                }
+                if (owned_by(Preset::filament_options(), key)) {
+                    for (size_t i = 1; i + 1 < columns.size(); ++i)
+                        add_to_column(i, key);
+                    recorded = true;
+                }
+                if (owned_by(Preset::printer_options(), key)) {
+                    add_to_column(columns.size() - 1, key);
+                    recorded = true;
+                }
+                if (recorded)
+                    BOOST_LOG_TRIVIAL(info) << boost::format("CLI: override %1% recorded in different_settings_to_system") % key;
+            }
+        }
+    }
     // Normalizing after importing the 3MFs / AMFs
     m_print_config.normalize_fdm();
 
@@ -3933,7 +4215,7 @@ int CLI::run(int argc, char **argv)
         }
     };
 
-    auto check_plate_wipe_tower = [get_print_sequence, is_smooth_timelapse, new_extruder_count](Slic3r::GUI::PartPlate* plate, int plate_index, DynamicPrintConfig& print_config, plate_obj_size_info_t &plate_obj_size_info) {
+    auto check_plate_wipe_tower = [get_print_sequence, is_smooth_timelapse](Slic3r::GUI::PartPlate* plate, int plate_index, DynamicPrintConfig& print_config, plate_obj_size_info_t &plate_obj_size_info) {
         plate_obj_size_info.obj_bbox= plate->get_objects_bounding_box();
         BOOST_LOG_TRIVIAL(info) << boost::format("plate %1%, object bbox: min {%2%, %3%, %4%} - max {%5%, %6%, %7%}")
                     %(plate_index+1) %plate_obj_size_info.obj_bbox.min.x() % plate_obj_size_info.obj_bbox.min.y() % plate_obj_size_info.obj_bbox.min.z() %plate_obj_size_info.obj_bbox.max.x() % plate_obj_size_info.obj_bbox.max.y() % plate_obj_size_info.obj_bbox.max.z();
@@ -3977,22 +4259,13 @@ int CLI::run(int argc, char **argv)
         plate_obj_size_info.wipe_x = wipe_x_option->get_at(plate_index);
         plate_obj_size_info.wipe_y = wipe_y_option->get_at(plate_index);
 
-        ConfigOptionFloat* width_option = print_config.option<ConfigOptionFloat>("prime_tower_width", true);
-        plate_obj_size_info.wipe_width = width_option->value;
+        // Body and brim from one estimate: resolving an auto (-1) brim against a different
+        // height would size the two halves of the same tower from two different objects.
+        const WipeTowerFootprint footprint = plate->estimate_wipe_tower_footprint(print_config, filaments_cnt);
+        float brim_width = float(footprint.brim_width);
 
-        ConfigOptionFloat* brim_width_option = print_config.option<ConfigOptionFloat>("prime_tower_brim_width", true);
-        float brim_width = brim_width_option->value;
-        if (brim_width < 0) brim_width = WipeTower::get_auto_brim_by_height((float)plate_obj_size_info.obj_bbox.max.z());
-
-        ConfigOptionFloat* volume_option = print_config.option<ConfigOptionFloat>("prime_volume", true);
-        float wipe_volume = volume_option->value;
-
-        const ConfigOptionBool * wrapping_detection = print_config.option<ConfigOptionBool>("enable_wrapping_detection");
-        bool enable_wrapping = (wrapping_detection != nullptr) && wrapping_detection->value;
-
-        Vec3d wipe_tower_size = plate->estimate_wipe_tower_size(print_config, plate_obj_size_info.wipe_width, wipe_volume, new_extruder_count, filaments_cnt, false, enable_wrapping);
-        plate_obj_size_info.wipe_width = wipe_tower_size(0);
-        plate_obj_size_info.wipe_depth = wipe_tower_size(1);
+        plate_obj_size_info.wipe_width = footprint.width;
+        plate_obj_size_info.wipe_depth = footprint.depth;
 
         Vec3d origin = plate->get_origin();
         Vec3d start(origin(0) + plate_obj_size_info.wipe_x - brim_width, origin(1) + plate_obj_size_info.wipe_y, 0.f);
@@ -4753,13 +5026,16 @@ int CLI::run(int argc, char **argv)
                     }
                 }
 
-                if (!arrange_cfg.is_seq_print && (assemble_plate.filaments_count > 1)||(enable_wrapping_detect && !current_wrapping_exclude_area.empty()))
+                if ((!arrange_cfg.is_seq_print && (assemble_plate.filaments_count > 1))||(enable_wrapping_detect && !current_wrapping_exclude_area.empty()))
                 {
                     //prepare the wipe tower
                     int plate_count = partplate_list.get_plate_count();
 
                     auto printer_structure_opt = m_print_config.option<ConfigOptionEnum<PrinterStructure>>("printer_structure");
-                    const float tower_brim_width = m_print_config.option<ConfigOptionFloat>("prime_tower_width", true)->value;
+                    // This margin only pre-adjusts the default away from the near edges;
+                    // estimate_wipe_tower_polygon below computes the real clamped position.
+                    float tower_brim_width = m_print_config.option<ConfigOptionFloat>("prime_tower_brim_width", true)->value;
+                    if (tower_brim_width < 0.f) tower_brim_width = 8.f; // auto: object heights unknown here, 8 mm is the auto cap
                     const float tower_margin = WIPE_TOWER_MARGIN + tower_brim_width;
 
                     // set the default position, the same with print config(left top)
@@ -4793,7 +5069,7 @@ int CLI::run(int argc, char **argv)
                     wipe_y_option->set_at(&wt_y_opt, i, 0);
 
                     Vec3d wipe_tower_size, wipe_tower_pos;
-                    ArrangePolygon wipe_tower_ap = cur_plate->estimate_wipe_tower_polygon(m_print_config, i, wipe_tower_pos, wipe_tower_size, new_extruder_count, assemble_plate.filaments_count, true);
+                    ArrangePolygon wipe_tower_ap = cur_plate->estimate_wipe_tower_polygon(m_print_config, i, wipe_tower_pos, wipe_tower_size, assemble_plate.filaments_count, true);
 
                     //update the new wp position
                     wt_x_opt.value = wipe_tower_pos(0);
@@ -5056,7 +5332,10 @@ int CLI::run(int argc, char **argv)
                         int extruder_size = used_filament_set.size();
 
                         auto printer_structure_opt = m_print_config.option<ConfigOptionEnum<PrinterStructure>>("printer_structure");
-                        const float tower_brim_width      = m_print_config.option<ConfigOptionFloat>("prime_tower_width", true)->value;
+                        // This margin only pre-adjusts the default away from the near edges;
+                        // estimate_wipe_tower_polygon below computes the real clamped position.
+                        float tower_brim_width = m_print_config.option<ConfigOptionFloat>("prime_tower_brim_width", true)->value;
+                        if (tower_brim_width < 0.f) tower_brim_width = 8.f; // auto: object heights unknown here, 8 mm is the auto cap
                         const float tower_margin          = WIPE_TOWER_MARGIN + tower_brim_width;
                         // set the default position, the same with print config(left top)
                         float x = WIPE_TOWER_DEFAULT_X_POS;
@@ -5093,7 +5372,7 @@ int CLI::run(int argc, char **argv)
                             }
 
                             Vec3d wipe_tower_size, wipe_tower_pos;
-                            ArrangePolygon wipe_tower_ap = partplate_list.get_plate(plate_index_valid)->estimate_wipe_tower_polygon(m_print_config, plate_index_valid, wipe_tower_pos, wipe_tower_size, new_extruder_count, extruder_size, true);
+                            ArrangePolygon wipe_tower_ap = partplate_list.get_plate(plate_index_valid)->estimate_wipe_tower_polygon(m_print_config, plate_index_valid, wipe_tower_pos, wipe_tower_size, extruder_size, true);
 
                             //update the new wp position
                             if (bedid < plate_count) {
@@ -5194,21 +5473,16 @@ int CLI::run(int argc, char **argv)
 
                             //float depth = v * (filaments_cnt - 1) / (layer_height * w);
 
-                            const ConfigOptionBool *wrapping_detection = m_print_config.option<ConfigOptionBool>("enable_wrapping_detection");
-                            bool   enable_wrapping    = (wrapping_detection != nullptr) && wrapping_detection->value;
-
-                            Vec3d wipe_tower_size = cur_plate->estimate_wipe_tower_size(m_print_config, w, v, new_extruder_count, filaments_cnt, false, enable_wrapping);
+                            const WipeTowerFootprint footprint = cur_plate->estimate_wipe_tower_footprint(m_print_config, filaments_cnt);
+                            Vec3d wipe_tower_size(footprint.width, footprint.depth, footprint.height);
                             Vec3d plate_origin = cur_plate->get_origin();
-                            int plate_width, plate_depth, plate_height;
+                            int plate_width, plate_depth;
+                            double plate_height;
                             partplate_list.get_plate_size(plate_width, plate_depth, plate_height);
                             float depth = wipe_tower_size(1);
-                            float margin = 15.f, wp_brim_width = 0.f;
-                            ConfigOption *wipe_tower_brim_width_opt = m_print_config.option("prime_tower_brim_width");
-                            if (wipe_tower_brim_width_opt ) {
-                                wp_brim_width = wipe_tower_brim_width_opt->getFloat();
-                                if (wp_brim_width < 0) wp_brim_width = WipeTower::get_auto_brim_by_height((float) wipe_tower_size.z());
-                                BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << boost::format("arrange wipe_tower: wp_brim_width %1%")%wp_brim_width;
-                            }
+                            // Brim already resolved against the height the body was sized from.
+                            float margin = 15.f, wp_brim_width = float(footprint.brim_width);
+                            BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << boost::format("arrange wipe_tower: wp_brim_width %1%")%wp_brim_width;
                             w = wipe_tower_size(0);
 
                             BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << boost::format("arrange wipe_tower: x=%1%, y=%2%, width=%3%, depth=%4%, angle=%5%, prime_volume=%6%, filaments_cnt=%7%, layer_height=%8%, plate_width=%9%, plate_depth=%10%")
@@ -5724,6 +5998,34 @@ int CLI::run(int argc, char **argv)
                 //Print       fff_print;
                 std::vector<size_t> plate_triangle_counts(partplate_list.get_plate_count(), 0);
 
+                // The stored (or default) tower position may not fit the tower these plates
+                // need, and no CLI placement site runs on a plain slice - mirror the GUI's
+                // reload clamp and fit every plate's tower into the printable area first.
+                if (m_print_config.option<ConfigOptionBool>("enable_prime_tower", true)->value) {
+                    for (int index = 0; index < partplate_list.get_plate_count(); index++) {
+                        if ((plate_to_slice != 0) && (plate_to_slice != (index + 1)))
+                            continue;
+                        Slic3r::GUI::PartPlate *plate = partplate_list.get_plate(index);
+                        // Printing by object disables the tower only with more than one instance.
+                        bool is_seq_print = false;
+                        get_print_sequence(plate, m_print_config, is_seq_print);
+                        if (is_seq_print && plate->printable_instance_size() > 1)
+                            continue;
+                        // An empty estimate is a plate that prints no tower (one filament and
+                        // neither smooth timelapse, wrapping detection nor a raft).
+                        Vec3d wt_pos, wt_size;
+                        plate->estimate_wipe_tower_polygon(m_print_config, index, wt_pos, wt_size);
+                        if (wt_size(0) < EPSILON || wt_size(1) < EPSILON)
+                            continue;
+                        ConfigOptionFloat wt_x_opt((float) wt_pos(0));
+                        ConfigOptionFloat wt_y_opt((float) wt_pos(1));
+                        m_print_config.option<ConfigOptionFloats>("wipe_tower_x", true)->set_at(&wt_x_opt, index, 0);
+                        m_print_config.option<ConfigOptionFloats>("wipe_tower_y", true)->set_at(&wt_y_opt, index, 0);
+                        BOOST_LOG_TRIVIAL(info) << boost::format("plate %1%: wipe tower clamped to {%2%, %3%}, size {%4%, %5%}")
+                            % (index + 1) % wt_pos(0) % wt_pos(1) % wt_size(0) % wt_size(1);
+                    }
+                }
+
                 while(!finished)
                 {
                     //BBS: slice every partplate one by one
@@ -6538,6 +6840,20 @@ int CLI::run(int argc, char **argv)
         std::string nozzle_diameter_str;
         if (nozzle_diameter_option)
             nozzle_diameter_str = nozzle_diameter_option->serialize();
+#ifdef SLIC3R_GUI
+        // A Bambu printer reads slice_info.config and knows only its own catalog ids. The GUI
+        // gates the same translation on PresetBundle::is_bbl_vendor(); the CLI has no
+        // PresetBundle, so reuse the printer_model prefix that already decides
+        // Print::is_BBL_printer() for this same run.
+        auto* printer_model_option = dynamic_cast<const ConfigOptionString*>(m_print_config.option("printer_model"));
+        const bool is_bbl_printer = printer_model_option && printer_model_option->value.compare(0, 9, "Bambu Lab") == 0;
+        // No wxApp on the CLI path, so there is no live agent to ask; the translator is stateless
+        // over a lazily loaded map, so one instance serves every plate and filament below.
+        // ORCA TODO: this assumes Bambu's is the only agent with a catalog of its own. Once another
+        // agent carries one, resolve the agent from the selected printer the way
+        // GUI_App::resolve_printer_agent_id does, rather than hard-coding BBLPrinterAgent here.
+        const BBLPrinterAgent bbl_agent;
+#endif /* SLIC3R_GUI */
 
         for (int i = 0; i < plate_data_list.size(); i++) {
             PlateData *plate_data = plate_data_list[i];
@@ -6555,6 +6871,10 @@ int CLI::run(int argc, char **argv)
                 it->type  = m_print_config.get_filament_type(display_filament_type, it->id);
                 it->color = (filament_color && !filament_color->values.empty()) ? filament_color->get_at(it->id) : "#FFFFFF";
                 it->filament_id = (filament_id && !filament_id->values.empty()) ? filament_id->get_at(it->id) : "";
+#ifdef SLIC3R_GUI
+                if (is_bbl_printer)
+                    it->filament_id = bbl_agent.from_orca_filament_id(it->filament_id);
+#endif /* SLIC3R_GUI */
             }
 
             if (!plate_data->plate_thumbnail.is_valid()) {

src/OrcaSlicer_app_msvc.cpp

@@ -297,7 +297,7 @@ int wmain(int argc, wchar_t **argv)
 //	printf("Loading Slic3r library: %S\n", path_to_slic3r);
     HINSTANCE hInstance_Slic3r = LoadLibraryExW(path_to_slic3r, nullptr, 0);
     if (hInstance_Slic3r == nullptr) {
-        printf("OrcaSlicer.dll was not loaded, error=%d\n", GetLastError());
+        printf("OrcaSlicer.dll was not loaded, error=%lu\n", GetLastError());
         return -1;
     }
 

src/dev-utils/BaseException.cpp

@@ -9,6 +9,7 @@
 #include <boost/format.hpp>
 #include <mutex>
 
+#include "git_commit_hash.h"
 #include "libslic3r_version.h"
 
 static std::string g_log_folder;
@@ -39,7 +40,7 @@ CBaseException::CBaseException(HANDLE hProcess, WORD wPID, LPCTSTR lpSymbolPath,
 		output_file->open(log_filename, std::ios::out | std::ios::app);
 
 		// Output app build info in crash log so we could look for the correct PDB files
-        OutputString(_T("%s\n\n"), _T(SLIC3R_APP_NAME " " SoftFever_VERSION " Build " GIT_COMMIT_HASH));
+        OutputString(_T("%s\n\n"), _T(SLIC3R_APP_NAME " " SoftFever_VERSION " Build " GIT_COMMIT_HASH GIT_COMMIT_SUFFIX));
 	}
 }
 

src/dev-utils/BaseException.h

@@ -1,7 +1,7 @@
 #pragma once
 #include <boost/nowide/cstdio.hpp>
 #include <boost/nowide/fstream.hpp>
-#include "stackwalker.h"
+#include "StackWalker.h"
 #include <eh.h>
 
 class CBaseException : public CStackWalker

src/dev-utils/OrcaSlicer_profile_validator.cpp

@@ -8,7 +8,11 @@
 #define NANOSVGRAST_IMPLEMENTATION
 #include "nanosvg/nanosvgrast.h"
 
+#include "libslic3r/BoundingBox.hpp"
 #include "libslic3r/GCode.hpp"
+#include "libslic3r/GCode/WipeTower.hpp"
+#include "libslic3r/GCode/WipeTowerEstimate.hpp"
+#include "libslic3r/Geometry.hpp"
 #include "libslic3r/Preset.hpp"
 #include "libslic3r/Config.hpp"
 #include "libslic3r/PresetBundle.hpp"
@@ -116,15 +120,45 @@ Vec2d printable_area_center(const DynamicPrintConfig &cfg)
     return 0.5 * (lo + hi);
 }
 
+// Put the prime tower where the GUI and CLI would before slicing. The config default (x 15, y 220)
+// lies off any bed shallower than the tower, and generation rejects an off-plate tower instead of
+// exporting it. Beside the centred cube, clear of the edge exclusion strips some beds carry, then
+// pulled inside the printable outline by the tower's own estimated footprint, with a few mm of
+// clearance so the conflict checker never sees the two touch.
+void place_wipe_tower(DynamicPrintConfig &cfg, const Vec2d &center)
+{
+    const auto *area = cfg.option<ConfigOptionPoints>("printable_area");
+    if (area == nullptr || area->values.size() < 3)
+        return;
+    const WipeTowerFootprint footprint = estimate_wipe_tower_footprint(cfg, resolve_wipe_tower_type(cfg), {0, 1}, cfg.opt_float("layer_height"), 10.);
+    if (footprint.depth < EPSILON)
+        return;
+    const double margin = WIPE_TOWER_MARGIN + footprint.brim_width;
+    // The position is the tower's own origin; a rotated tower extends from it in another
+    // direction, so place the rotated box's extents rather than the origin.
+    Slic3r::Polygon box({Point::new_scale(0., 0.), Point::new_scale(footprint.width, 0.), Point::new_scale(footprint.width, footprint.depth), Point::new_scale(0., footprint.depth)});
+    box.rotate(Geometry::deg2rad(cfg.opt_float("wipe_tower_rotation_angle")));
+    const BoundingBox local = get_extents(box);
+    const Vec2d       lo    = unscale(local.min);
+    const Vec2d       size  = unscale(local.max) - lo;
+    Vec2d             pos(center.x() + 5. + margin + 5. - lo.x(), center.y() - size.y() / 2. - lo.y());
+    box.translate(Point::new_scale(pos.x(), pos.y()));
+    const Vec2f move = WipeTower::move_box_inside_polygon(get_extents(box), Polygons{Polygon::new_scale(area->values)}, scaled<coord_t>(margin));
+    pos += move.cast<double>();
+    cfg.option<ConfigOptionFloats>("wipe_tower_x", true)->values = {pos.x()};
+    cfg.option<ConfigOptionFloats>("wipe_tower_y", true)->values = {pos.y()};
+}
+
 // Slice one centered cube that switches from filament 1 to filament 2 partway up, so exactly one
 // filament change fires, then export. The change drives the printer's own change_filament_gcode: on a
 // single-nozzle machine it rides the AMS prime tower (append_tcr), on a multi-nozzle machine it routes
 // through the nozzle swap (set_extruder / append_tcr2) - the engine picks the path from the printer's
 // topology, so one model covers both. An undefined placeholder in any shipped custom g-code throws
 // Slic3r::PlaceholderParserError from export.
-std::string slice_two_color_cube_and_export(const DynamicPrintConfig &cfg, bool is_bbl)
+std::string slice_two_color_cube_and_export(DynamicPrintConfig cfg, bool is_bbl)
 {
     const Vec2d center = printable_area_center(cfg);
+    place_wipe_tower(cfg, center);
     TriangleMesh m = make_cube(10, 10, 10);
     m.translate(float(center.x() - 5.), float(center.y() - 5.), 0.f);
 
@@ -175,6 +209,17 @@ void select_printer_default_presets(PresetBundle &bundle)
     if (const auto *def_fil = printer_preset.config.option<ConfigOptionStrings>("default_filament_profile");
         def_fil != nullptr && !def_fil->values.empty())
         bundle.filaments.select_preset_by_name(def_fil->values.front(), /*force=*/true);
+    // Re-seed the per-slot filament list from that selection, or the sweep's result depends on the
+    // printer sliced before it. Once there are 2+ slots, full_config() builds the filament config from
+    // filament_presets and ignores the selected preset (PresetBundle::full_fff_config), while
+    // update_compatible() only replaces a slot that has gone *incompatible* - and when it does, it ranks
+    // the outgoing preset's alias, then its filament type, above the printer's own default. The sweep
+    // grows every printer to 2 slots and update_multi_material_filament_presets() never shrinks them, so
+    // a material picked up on the first printer rides the whole run. With all vendors loaded the first
+    // printer inherits a TPU (the load-time pick is whichever filament sorts first), the type match
+    // re-resolves it to "Generic TPU @System", and its alias then pins every later printer to that
+    // vendor's own "Generic TPU @..." - which the BBL dual-nozzle profiles rightly refuse to group.
+    bundle.filament_presets.assign(1, bundle.filaments.get_selected_preset_name());
 }
 
 // The vendor/printer currently being sliced, stamped onto every engine log record by the sink below so
@@ -381,7 +426,7 @@ int main(int argc, char* argv[])
     ("generate_presets,g", po::value<bool>()->default_value(false), "Generate user presets for mock test")
     ("slice,s", po::bool_switch()->default_value(false), "Slice a two-colour cube through every printer to expand all custom g-code (catches placeholder/flow errors that static checks miss). Off unless this flag is present.")
     ("outdir,o", po::value<std::string>()->default_value(""), "With -s, also save each printer's g-code to this folder (as <vendor>__<printer>.gcode) for manual inspection. Optional.")
-    ("check_filament_subtypes,f", po::bool_switch()->default_value(false), "Also flag printers with duplicate (ambiguous) filament subtypes. Off unless this flag is present.")
+    ("check_filament_subtypes,f", po::bool_switch()->default_value(true), "Also flag printers with duplicate (ambiguous) filament subtypes. Off unless this flag is present.")
     ("log_level,l", po::value<int>()->default_value(2), "Log level. Optional, default is 2 (warning). Higher values produce more detailed logs.");
     // clang-format on
 

src/dev-utils/StackWalker.cpp

@@ -364,7 +364,7 @@ void CStackWalker::GetModuleInformation(LPMODULE_INFO pmi)
 
 	if (dwInfoSize > 0)
 	{
-		LPVOID lpData = new byte[dwInfoSize];
+		byte *lpData = new byte[dwInfoSize];
 		ZeroMemory(lpData, dwInfoSize * sizeof(byte));
 
 		if (GetFileVersionInfo(pmi->szModulePath, dwHandle, dwInfoSize, lpData) > 0 )
@@ -425,7 +425,7 @@ LPSTACKINFO CStackWalker::StackWalker(HANDLE hThread, const CONTEXT* context)
 	else
 		c = *context;
 
-	STACKFRAME64 sf = {0};
+	STACKFRAME64 sf = {};
 	DWORD imageType;
 
 //intel X86

src/libslic3r/Algorithm/LineSplit.hpp

@@ -49,7 +49,7 @@ SplittedLine split_line(const PathType& path, const ExPolygons& clip, bool close
 
     // Convert the input path into an open ZPath
     ClipperZUtils::ZPath p;
-    p.reserve(path.size() + closed ? 1 : 0);
+    p.reserve(path.size() + (closed ? 1 : 0));
     ClipperLib_Z::cInt z = 0;
     for (const auto& point : path) {
         p.emplace_back(point.x(), point.y(), z);

src/libslic3r/AppConfig.cpp

@@ -42,6 +42,9 @@ namespace Slic3r {
 
 static const std::string VERSION_CHECK_URL = "https://check-version.orcaslicer.com/latest";
 static const std::string PROFILE_UPDATE_URL = "https://check-version.orcaslicer.com/profile";
+
+constexpr const char* CONFIG_ORCA_UPDATER_URL = "orca_updater_url";
+
 static const std::string MODELS_STR = "models";
 
 const std::string AppConfig::SECTION_FILAMENTS = "filaments";
@@ -635,6 +638,11 @@ void AppConfig::set_defaults()
         set_bool("use_printer_agents", false);
     }
 
+    if (get("enable_ota").empty())
+    {
+        set_bool("enable_ota", false);
+    }
+
     // Remove legacy window positions/sizes
     erase("app", "main_frame_maximized");
     erase("app", "main_frame_pos");
@@ -1815,7 +1823,10 @@ std::string AppConfig::version_check_url() const
 
 std::string AppConfig::profile_update_url() const
 {
-    return PROFILE_UPDATE_URL;
+    std::string orca_updater_url = get(CONFIG_ORCA_UPDATER_URL);
+    if (orca_updater_url.empty())
+        return PROFILE_UPDATE_URL;
+    return orca_updater_url;
 }
 
 bool AppConfig::exists()
@@ -1823,4 +1834,9 @@ bool AppConfig::exists()
     return boost::filesystem::exists(config_path());
 }
 
+std::string AppConfig::load_if_exists()
+{
+    return boost::filesystem::exists(loading_path()) ? load() : std::string();
+}
+
 }; // namespace Slic3r

src/libslic3r/AppConfig.hpp

@@ -113,8 +113,10 @@ public:
 	void 			   	set_defaults();
 
 	// Load the slic3r.ini from a user profile directory (or a datadir, if configured).
-	// return error string or empty strinf
+	// Return an error string, or an empty string on success.
 	std::string         load();
+	// Treat a missing config as default state; otherwise load it normally.
+	std::string         load_if_exists();
 	// Store the slic3r.ini into a user profile directory (or a datadir, if configured).
 	void 			   	save();
 

src/libslic3r/BlacklistedLibraryCheck.cpp

@@ -1,6 +1,7 @@
 #include "BlacklistedLibraryCheck.hpp"
 
 #include <cstdio>
+#include <boost/filesystem/path.hpp>
 #include <boost/nowide/convert.hpp>
 
 #ifdef  WIN32

src/libslic3r/BuildVolume.cpp

@@ -13,7 +13,6 @@ BuildVolume::BuildVolume(const std::vector<Vec2d> &printable_area, const double
     : m_bed_shape(printable_area), m_max_print_height(printable_height), m_extruder_shapes(extruder_areas), m_extruder_printable_height(extruder_printable_heights)
 {
     assert(printable_height >= 0);
-    //assert(extruder_printable_heights.size() == extruder_areas.size());
 
     m_polygon     = Polygon::new_scale(printable_area);
     assert(m_polygon.is_counter_clockwise());
@@ -86,6 +85,9 @@ BuildVolume::BuildVolume(const std::vector<Vec2d> &printable_area, const double
         m_shared_volume.data[2] = m_bboxf.max.x();
         m_shared_volume.data[3] = m_bboxf.max.y();
         m_shared_volume.zs[1] = m_bboxf.max.z();
+        if (extruder_printable_heights.size() < m_extruder_shapes.size())
+            BOOST_LOG_TRIVIAL(warning) << boost::format("extruder_printable_height has only %1% entries but extruder_printable_area has %2%, falling back to the bed printable_height for the missing ones")
+                    % extruder_printable_heights.size() % m_extruder_shapes.size();
         for (unsigned int index = 0; index < m_extruder_shapes.size(); index++)
         {
             std::vector<Vec2d>& extruder_shape = m_extruder_shapes[index];
@@ -100,7 +102,9 @@ BuildVolume::BuildVolume(const std::vector<Vec2d> &printable_area, const double
                 return;
             }
 
-            if ((extruder_shape == printable_area)&&(extruder_printable_heights[index] == printable_height)) {
+            const double extruder_height = index < extruder_printable_heights.size() ? extruder_printable_heights[index] : printable_height;
+
+            if ((extruder_shape == printable_area)&&(extruder_height == printable_height)) {
                 extruder_volume.same_with_bed = true;
                 extruder_volume.type = m_type;
                 extruder_volume.bbox = m_bbox;
@@ -113,7 +117,7 @@ BuildVolume::BuildVolume(const std::vector<Vec2d> &printable_area, const double
                 double poly_area         = poly.area();
                 extruder_volume.bbox = get_extents(poly);
                 BoundingBoxf temp_bboxf = get_extents(extruder_shape);
-                extruder_volume.bboxf = BoundingBoxf3{ to_3d(temp_bboxf.min, 0.), to_3d(temp_bboxf.max, extruder_printable_heights[index]) };
+                extruder_volume.bboxf = BoundingBoxf3{ to_3d(temp_bboxf.min, 0.), to_3d(temp_bboxf.max, extruder_height) };
 
                 if (extruder_shape.size() >= 4 && std::abs((poly_area - double(extruder_volume.bbox.size().x()) * double(extruder_volume.bbox.size().y()))) < sqr(SCALED_EPSILON))
                 {

src/libslic3r/CMakeLists.txt

@@ -147,6 +147,8 @@ set(lisbslic3r_sources
     Fill/FillBase.hpp
     Fill/FillConcentric.cpp
     Fill/FillConcentric.hpp
+    Fill/FillSpiralInset.cpp
+    Fill/FillSpiralInset.hpp
     Fill/FillConcentricInternal.cpp
     Fill/FillConcentricInternal.hpp
     Fill/FillCornerSmoothing.cpp
@@ -270,6 +272,8 @@ set(lisbslic3r_sources
     GCode/WipeTower2.hpp
     GCode/WipeTower.cpp
     GCode/WipeTower.hpp
+    GCode/WipeTowerEstimate.cpp
+    GCode/WipeTowerEstimate.hpp
     GCodeWriter.cpp
     GCodeWriter.hpp
     Geometry/ArcWelder.hpp
@@ -368,6 +372,8 @@ set(lisbslic3r_sources
     Preset.hpp
     PrincipalComponents2D.cpp
     PrincipalComponents2D.hpp
+    PublishSettings.cpp
+    PublishSettings.hpp
     PrintApply.cpp
     PrintBase.cpp
     PrintBase.hpp
@@ -552,6 +558,12 @@ if (_opts)
     target_compile_options(libslic3r_cgal PRIVATE "${_opts_bad}")
 endif()
 
+if (IS_CLANG_CL)
+    # CGAL passes /fp:strict /fp:except-. clang-cl reports the second as overriding part of
+    # the first; the settings cc1 receives are the same ones MSVC produces from that pair.
+    target_compile_options(libslic3r_cgal PRIVATE -Wno-overriding-option)
+endif ()
+
 target_link_libraries(libslic3r_cgal PRIVATE ${_cgal_tgt} admesh libigl mcut boost_libs)
 
 if (MSVC AND "${CMAKE_SIZEOF_VOID_P}" STREQUAL "4") # 32 bit MSVC workaround
@@ -663,6 +675,13 @@ if(SLIC3R_PROFILE)
     target_link_libraries(libslic3r PRIVATE Shiny)
 endif()
 
+if (WIN32)
+    # Public, since BlacklistedLibraryCheck.hpp includes windows.h. Empty
+    # WIN32_LEAN_AND_MEAN matches the sources that define it themselves; bare
+    # NOMINMAX matches the one libigl already passes.
+    target_compile_definitions(libslic3r PUBLIC "WIN32_LEAN_AND_MEAN=" "NOMINMAX")
+endif ()
+
 if (SLIC3R_PCH AND NOT SLIC3R_SYNTAXONLY)
     add_precompiled_header(libslic3r pchheader.hpp FORCEINCLUDE)
 endif ()

src/libslic3r/Config.cpp

@@ -1049,7 +1049,8 @@ int ConfigBase::load_from_json(const std::string &file, ConfigSubstitutionContex
                 std::vector<std::string>& different_settings = this->option<ConfigOptionStrings>("different_settings_to_system", true)->values;
                 size_t size = different_settings.size();
                 if (size == 0) {
-                    size = this->option<ConfigOptionStrings>("filament_settings_id")->values.size() + 2;
+                    const auto *filament_ids = this->option<ConfigOptionStrings>("filament_settings_id");
+                    size = (filament_ids ? filament_ids->values.size() : 0) + 2;
                     different_settings.resize(size);
                 }
 

src/libslic3r/Config.hpp

@@ -1006,6 +1006,7 @@ public:
     int                     getInt() const override { return this->value; }
     void                    setInt(int val) override { this->value = val; }
     ConfigOption*           clone()  const override { return new ConfigOptionInt(*this); }
+    using ConfigOptionSingle<int>::operator==;
     bool                    operator==(const ConfigOptionInt &rhs) const throw() { return this->value == rhs.value; }
 
     std::string serialize() const override
@@ -1048,6 +1049,7 @@ public:
     ConfigOptionType        type()  const override { return static_type(); }
     ConfigOption*           clone() const override { return new ConfigOptionIntsTempl(*this); }
     ConfigOptionIntsTempl&  operator= (const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionVector<int>::operator==;
     bool                    operator==(const ConfigOptionIntsTempl &rhs) const throw() { return this->values == rhs.values; }
     bool                    operator< (const ConfigOptionIntsTempl &rhs) const throw() { return this->values <  rhs.values; }
     // Could a special "nil" value be stored inside the vector, indicating undefined value?
@@ -1137,6 +1139,7 @@ public:
     ConfigOptionType        type()  const override { return static_type(); }
     ConfigOption*           clone() const override { return new ConfigOptionString(*this); }
     ConfigOptionString&     operator=(const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionSingle<std::string>::operator==;
     bool                    operator==(const ConfigOptionString &rhs) const throw() { return this->value == rhs.value; }
     bool                    operator< (const ConfigOptionString &rhs) const throw() { return this->value <  rhs.value; }
     bool 					empty() const { return this->value.empty(); }
@@ -1171,6 +1174,7 @@ public:
     ConfigOptionType        type()  const override { return static_type(); }
     ConfigOption*           clone() const override { return new ConfigOptionStrings(*this); }
     ConfigOptionStrings&    operator=(const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionVector<std::string>::operator==;
     bool                    operator==(const ConfigOptionStrings &rhs) const throw() { return this->values == rhs.values; }
     bool                    operator< (const ConfigOptionStrings &rhs) const throw() { return this->values <  rhs.values; }
     bool					is_nil(size_t) const override { return false; }
@@ -1215,6 +1219,7 @@ public:
     ConfigOptionType        type()  const override { return static_type(); }
     ConfigOption*           clone() const override { return new ConfigOptionPercent(*this); }
     ConfigOptionPercent&    operator= (const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionFloat::operator==;
     bool                    operator==(const ConfigOptionPercent &rhs) const throw() { return this->value == rhs.value; }
     bool                    operator< (const ConfigOptionPercent &rhs) const throw() { return this->value <  rhs.value; }
 
@@ -1257,6 +1262,7 @@ public:
     ConfigOptionType        type()  const override { return static_type(); }
     ConfigOption*           clone() const override { return new ConfigOptionPercentsTempl(*this); }
     ConfigOptionPercentsTempl& operator=(const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionFloatsTempl<NULLABLE>::operator==;
     bool                    operator==(const ConfigOptionPercentsTempl &rhs) const throw() { return ConfigOptionFloatsTempl<NULLABLE>::vectors_equal(this->values, rhs.values); }
     bool                    operator< (const ConfigOptionPercentsTempl &rhs) const throw() { return ConfigOptionFloatsTempl<NULLABLE>::vectors_lower(this->values, rhs.values); }
 
@@ -1502,6 +1508,7 @@ public:
     ConfigOptionType        type()  const override { return static_type(); }
     ConfigOption*           clone() const override { return new ConfigOptionPoint(*this); }
     ConfigOptionPoint&      operator=(const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionSingle<Vec2d>::operator==;
     bool                    operator==(const ConfigOptionPoint &rhs) const throw() { return this->value == rhs.value; }
     bool                    operator< (const ConfigOptionPoint &rhs) const throw() { return this->value <  rhs.value; }
 
@@ -1539,6 +1546,7 @@ public:
     ConfigOptionType        type()  const override { return static_type(); }
     ConfigOption*           clone() const override { return new ConfigOptionPoints(*this); }
     ConfigOptionPoints&     operator= (const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionVector<Vec2d>::operator==;
     bool                    operator==(const ConfigOptionPoints &rhs) const throw() { return this->values == rhs.values; }
     bool                    operator< (const ConfigOptionPoints &rhs) const throw()
         { return std::lexicographical_compare(this->values.begin(), this->values.end(), rhs.values.begin(), rhs.values.end(), [](const auto &l, const auto &r){ return l < r; }); }
@@ -1617,6 +1625,7 @@ public:
     ConfigOptionType        type()  const override { return static_type(); }
     ConfigOption*           clone() const override { return new ConfigOptionPoint3(*this); }
     ConfigOptionPoint3&     operator=(const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionSingle<Vec3d>::operator==;
     bool                    operator==(const ConfigOptionPoint3 &rhs) const throw() { return this->value == rhs.value; }
     bool                    operator< (const ConfigOptionPoint3 &rhs) const throw()
         { return this->value.x() < rhs.value.x() || (this->value.x() == rhs.value.x() && (this->value.y() < rhs.value.y() || (this->value.y() == rhs.value.y() && this->value.z() < rhs.value.z()))); }
@@ -1860,6 +1869,7 @@ public:
     bool                    getBool()   const override { return this->value; }
     ConfigOption*           clone()     const override { return new ConfigOptionBool(*this); }
     ConfigOptionBool&       operator=(const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionSingle<bool>::operator==;
     bool                    operator==(const ConfigOptionBool &rhs) const throw() { return this->value == rhs.value; }
     bool                    operator< (const ConfigOptionBool &rhs) const throw() { return int(this->value) < int(rhs.value); }
 
@@ -1911,6 +1921,7 @@ public:
     ConfigOptionType        type()  const override { return static_type(); }
     ConfigOption*           clone() const override { return new ConfigOptionBoolsTempl(*this); }
     ConfigOptionBoolsTempl& operator=(const ConfigOption *opt) { this->set(opt); return *this; }
+    using ConfigOptionVector<unsigned char>::operator==;
     bool                    operator==(const ConfigOptionBoolsTempl &rhs) const throw() { return this->values == rhs.values; }
     bool                    operator< (const ConfigOptionBoolsTempl &rhs) const throw() { return this->values <  rhs.values; }
     // Could a special "nil" value be stored inside the vector, indicating undefined value?
@@ -2163,6 +2174,7 @@ public:
     ConfigOptionEnumsGenericTempl& operator= (const ConfigOption* opt) { this->set(opt); return *this; }
     bool                        operator< (const ConfigOptionInts& rhs) const throw() { return this->values < rhs.values; }
 
+    using ConfigOptionInts::operator==;
     bool                        operator==(const ConfigOptionInts& rhs) const
     {
         if (rhs.type() != this->type())

src/libslic3r/Emboss.cpp

@@ -968,10 +968,10 @@ EmbossStyles Emboss::get_font_list_by_register() {
 }
 
 // TODO: Fix global function
-bool CALLBACK EnumFamCallBack(LPLOGFONT       lplf,
-                              LPNEWTEXTMETRIC lpntm,
-                              DWORD           FontType,
-                              LPVOID          aFontList)
+int CALLBACK EnumFamCallBack(const LOGFONT    *lplf,
+                             const TEXTMETRIC *lpntm,
+                             DWORD             FontType,
+                             LPARAM            aFontList)
 {
     std::vector<std::wstring> *fontList =
         (std::vector<std::wstring> *) (aFontList);
@@ -988,7 +988,7 @@ EmbossStyles Emboss::get_font_list_by_enumeration() {
 
     HDC                       hDC = GetDC(NULL);
     std::vector<std::wstring> font_names;
-    EnumFontFamilies(hDC, (LPCTSTR) NULL, (FONTENUMPROC) EnumFamCallBack,
+    EnumFontFamilies(hDC, (LPCTSTR) NULL, EnumFamCallBack,
                      (LPARAM) &font_names);
 
     EmbossStyles font_list;

src/libslic3r/Feature/FuzzySkin/FuzzySkin.cpp

@@ -342,7 +342,7 @@ void fuzzy_polyline(Points& poly, bool closed, coordf_t slice_z, const FuzzySkin
 }
 
 // Thanks Cura developers for this function.
-void fuzzy_extrusion_line(Arachne::ExtrusionJunctions& ext_lines, coordf_t slice_z, const FuzzySkinConfig& cfg, bool closed)
+void fuzzy_extrusion_line(Arachne::ExtrusionJunctions& ext_lines, coordf_t slice_z, coordf_t layer_height, const FuzzySkinConfig& cfg, bool closed)
 {
 
     if (cfg.noise_type == NoiseType::Ripple) {
@@ -356,7 +356,9 @@ void fuzzy_extrusion_line(Arachne::ExtrusionJunctions& ext_lines, coordf_t slice
 
     const double min_dist_between_points = cfg.point_distance * 3. / 4.; // hardcoded: the point distance may vary between 3/4 and 5/4 the supplied value
     const double range_random_point_dist = cfg.point_distance / 2.;
-    const double min_extrusion_width = 0.01; // workaround for many print options. Need overwrite formula with the layer height parameter. The width must more than >>> layer_height * (1 - 0.25 * PI) * 1.05 <<< (last num is the coeff of overlay error case)
+    // ExtrusionJunction::w is a scaled coord_t, so this floor must be scaled too.
+    // Flow::rounded_rectangle_extrusion_spacing() requires width > height * (1 - 0.25 * PI); keep 5% above it.
+    const double min_extrusion_width = scaled<double>(layer_height * (1. - 0.25 * M_PI) * 1.05);
     double dist_left_over = random_value() * (min_dist_between_points / 2.); // the distance to be traversed on the line before making the first new point
 
     auto* p0 = &ext_lines.front();
@@ -685,12 +687,13 @@ Polygon apply_fuzzy_skin(const Polygon& polygon, const PerimeterGenerator& perim
 void apply_fuzzy_skin(Arachne::ExtrusionLine* extrusion, const PerimeterGenerator& perimeter_generator, const bool is_contour, const bool closed)
 {
     const auto  slice_z = perimeter_generator.slice_z;
+    const auto  layer_height = perimeter_generator.layer_height;
     const auto& regions = perimeter_generator.regions_by_fuzzify;
     if (regions.size() == 1) { // optimization
         const auto& config  = regions.begin()->first;
         const bool  fuzzify = should_fuzzify(config, perimeter_generator.layer_id, extrusion->inset_idx, is_contour);
         if (fuzzify)
-            fuzzy_extrusion_line(extrusion->junctions, slice_z, config, closed);
+            fuzzy_extrusion_line(extrusion->junctions, slice_z, perimeter_generator.layer_height, config, closed);
     } else {
         // Merge regions that produce identical fuzzy effects (differ only in type).
         // When the style (e.g. External) and a painted region (All) both fuzzify this loop
@@ -701,7 +704,7 @@ void apply_fuzzy_skin(Arachne::ExtrusionLine* extrusion, const PerimeterGenerato
 
             // Fast path: single merged region — apply directly without splitting
             if (merged_regions.size() == 1 && merged_regions.front().expolygons.empty()) {
-                fuzzy_extrusion_line(extrusion->junctions, slice_z, *merged_regions.front().config, closed);
+                fuzzy_extrusion_line(extrusion->junctions, slice_z, perimeter_generator.layer_height, *merged_regions.front().config, closed);
                 return;
             }
 
@@ -761,7 +764,7 @@ void apply_fuzzy_skin(Arachne::ExtrusionLine* extrusion, const PerimeterGenerato
                 // Fuzzy splitted extrusion
                 if (std::all_of(splitted.begin(), splitted.end(), [](const Algorithm::SplitLineJunction& j) { return j.clipped; })) {
                     // The entire polygon is fuzzified
-                    fuzzy_extrusion_line(extrusion->junctions, slice_z, *r.config, closed);
+                    fuzzy_extrusion_line(extrusion->junctions, slice_z, perimeter_generator.layer_height, *r.config, closed);
                     continue;
                 } else {
                     const auto                              current_ext = extrusion->junctions;
@@ -769,12 +772,12 @@ void apply_fuzzy_skin(Arachne::ExtrusionLine* extrusion, const PerimeterGenerato
                     segment.reserve(current_ext.size());
                     extrusion->junctions.clear();
 
-                    const auto fuzzy_current_segment = [&segment, &extrusion, &r, slice_z]() {
+                    const auto fuzzy_current_segment = [&segment, &extrusion, &r, slice_z, layer_height]() {
                         // Orca: non fuzzy points to isolate fuzzy region
                         const auto front = segment.front();
                         const auto back  = segment.back();
 
-                        fuzzy_extrusion_line(segment, slice_z, *r.config, false);
+                        fuzzy_extrusion_line(segment, slice_z, layer_height, *r.config, false);
                         // Orca: only add non fuzzy point if it's not in the extrusion closing point.
                         if (!extrusion->junctions.empty() && extrusion->junctions.front().p != front.p) {
                             extrusion->junctions.push_back(front);

src/libslic3r/Feature/FuzzySkin/FuzzySkin.hpp

@@ -9,7 +9,7 @@ namespace Slic3r::Feature::FuzzySkin {
 
 void fuzzy_polyline(Points& poly, bool closed, coordf_t slice_z, const FuzzySkinConfig& cfg);
 
-void fuzzy_extrusion_line(Arachne::ExtrusionJunctions& ext_lines, coordf_t slice_z, const FuzzySkinConfig& cfg, bool closed = true);
+void fuzzy_extrusion_line(Arachne::ExtrusionJunctions& ext_lines, coordf_t slice_z, coordf_t layer_height, const FuzzySkinConfig& cfg, bool closed = true);
 
 void group_region_by_fuzzify(PerimeterGenerator& g);
 

src/libslic3r/Fill/Fill.cpp

@@ -11,7 +11,7 @@
 
 #include "AABBTreeLines.hpp"
 #include "ExtrusionEntity.hpp"
-#include "FillBase.hpp"
+#include "Fill.hpp"
 #include "FillRectilinear.hpp"
 #include "FillLightning.hpp"
 #include "FillConcentricInternal.hpp"
@@ -950,7 +950,7 @@ std::vector<SurfaceFill> group_fills(const Layer &layer, LockRegionParam &lock_p
                     params.extruder = region_config.internal_solid_filament_id;
                 // Orca: forced fill order applies only to top/bottom surfaces filled with a
                 // center-based pattern; everything else stays at Default to keep batching together.
-                if (params.pattern == ipConcentric || params.pattern == ipArchimedeanChords || params.pattern == ipOctagramSpiral) {
+                if (params.pattern == ipConcentric || params.pattern == ipSpiralInset || params.pattern == ipArchimedeanChords || params.pattern == ipOctagramSpiral) {
                     if (params.extrusion_role == erTopSolidInfill)
                         params.fill_order = region_config.top_surface_fill_order.value;
                     else if (params.extrusion_role == erBottomSurface)
@@ -1234,6 +1234,33 @@ std::vector<SurfaceFill> group_fills(const Layer &layer, LockRegionParam &lock_p
 	return surface_fills;
 }
 
+// Orca: Anchors and printed infill must share the same body origin. Keep the choice
+// here so per-model surface centering and separated sparse infill cannot drift apart.
+static BoundingBox infill_bounding_box(const Layer &layer, const SurfaceFill &fill, const ExPolygon &expoly, BoundingBox bbox)
+{
+    const auto &params = fill.params;
+    const auto &config = layer.regions()[fill.region_id]->region().config();
+    const bool external = params.extrusion_role == erTopSolidInfill || params.extrusion_role == erBottomSurface;
+    const bool per_model = external && params.center_of_surface_pattern == CenterOfSurfacePattern::Each_Model &&
+                           (params.pattern == ipArchimedeanChords || params.pattern == ipOctagramSpiral);
+    const bool separate = !external && params.separated_infills &&
+                          (is_separable_infill_pattern(params.pattern) || !config.solid_infill_rotate_template.value.empty() ||
+                           !config.sparse_infill_rotate_template.value.empty());
+    if (per_model || separate) {
+        double best_overlap = 0.;
+        for (size_t i = 0; i < layer.lslices.size() && i < layer.lslices_separated_component_bboxes.size(); ++i) {
+            const double overlap = area(intersection_ex(layer.lslices[i], expoly));
+            if (overlap > best_overlap) {
+                best_overlap = overlap;
+                const Point center = layer.lslices_separated_component_bboxes[i].center();
+                bbox = layer.object()->bounding_box();
+                bbox.translate(center.x(), center.y());
+            }
+        }
+    }
+    return bbox;
+}
+
 #ifdef SLIC3R_DEBUG_SLICE_PROCESSING
 void export_group_fills_to_svg(const char *path, const std::vector<SurfaceFill> &fills)
 {
@@ -1332,7 +1359,8 @@ void Layer::make_fills(FillAdaptive::Octree* adaptive_fill_octree, FillAdaptive:
         params.anchor_length     = surface_fill.params.anchor_length;
 		params.anchor_length_max = surface_fill.params.anchor_length_max;
 		params.resolution        = resolution;
-        params.use_arachne       = surface_fill.params.pattern == ipConcentric || surface_fill.params.pattern == ipConcentricInternal;
+        params.use_arachne       = surface_fill.params.pattern == ipConcentric || surface_fill.params.pattern == ipSpiralInset ||
+                                   surface_fill.params.pattern == ipConcentricInternal;
         params.layer_height      = layerm->layer()->height;
         params.lateral_lattice_angle_1   = surface_fill.params.lateral_lattice_angle_1;
         params.lateral_lattice_angle_2   = surface_fill.params.lateral_lattice_angle_2;
@@ -1352,19 +1380,9 @@ void Layer::make_fills(FillAdaptive::Octree* adaptive_fill_octree, FillAdaptive:
 
         // Orca: Checking the filling of a centered surface by drawing for each model parts
         bool is_top_or_bottom = params.extrusion_role == erTopSolidInfill || params.extrusion_role == erBottomSurface;
-        bool is_centered_infill = surface_fill.params.pattern == ipArchimedeanChords || surface_fill.params.pattern == ipOctagramSpiral;
         if (is_top_or_bottom) {
             params.center_of_surface_pattern = surface_fill.params.center_of_surface_pattern; // Orca: center of surface pattern
         }
-        // Orca: Each_Model centers the pattern on each model part's bbox; Each_Surface / Each_Assembly
-        // fall through to the default (whole-object) bounding box below.
-        bool is_per_model_center = is_top_or_bottom && params.center_of_surface_pattern == CenterOfSurfacePattern::Each_Model && is_centered_infill;
-        bool is_separate_infill = !is_top_or_bottom && surface_fill.params.separated_infills &&
-                                  (
-                                  is_separable_infill_pattern(surface_fill.params.pattern) ||
-                                  params.config->solid_infill_rotate_template != "" ||
-                                  params.config->sparse_infill_rotate_template != "" );
-
         if( surface_fill.params.pattern == ipLockedZag ) {
 			params.locked_zag = true;
             params.infill_lock_depth = surface_fill.params.infill_lock_depth;
@@ -1388,34 +1406,8 @@ void Layer::make_fills(FillAdaptive::Octree* adaptive_fill_octree, FillAdaptive:
 			params.can_reverse = false;
 		for (ExPolygon& expoly : surface_fill.expolygons) {
 
-            // Orca: separate infill / per-model pattern centering.
-            //
-            // Center the pattern on each connected body of the object independently, so every piece
-            // is filled exactly as if it were sliced on its own: touching/overlapping parts merge
-            // into one body sharing a center, while separate parts and disconnected islands (even
-            // interleaved-but-not-touching ones, e.g. chain links) each get their own. The body each
-            // island belongs to, and its full bounding box, were resolved in 3D by PrintObject::
-            // infill() (lslices_separated_component_bboxes, aligned with this layer's lslices). We
-            // match this fill region to the island it overlaps most, then re-use the whole-object
-            // bounding box (origin-centered — identical extent to the default, so coverage and cost
-            // are unchanged) re-centered on that body.
-            if (is_per_model_center || is_separate_infill) {
-                double      best_overlap = 0.;
-                BoundingBox best_component;
-                for (size_t r = 0; r < this->lslices.size() && r < this->lslices_separated_component_bboxes.size(); ++ r) {
-                    const double overlap = area(intersection_ex(this->lslices[r], expoly));
-                    if (overlap > best_overlap) {
-                        best_overlap   = overlap;
-                        best_component = this->lslices_separated_component_bboxes[r];
-                    }
-                }
-                if (best_component.defined) {
-                    const Point c         = best_component.center();
-                    BoundingBox part_bbox = bbox; // origin-centered, whole-object extent (from above)
-                    part_bbox.translate(c.x(), c.y()); // re-center on this body
-                    f->set_bounding_box(part_bbox);
-                }
-            } // - End: separate infill / per-model pattern centering
+            // Orca: Reuse the body origin used for bridge anchoring, resetting it for each surface.
+            f->set_bounding_box(infill_bounding_box(*this, surface_fill, expoly, bbox));
 
             f->no_overlap_expolygons = intersection_ex(surface_fill.no_overlap_expolygons, ExPolygons() = {expoly}, ApplySafetyOffset::Yes);
             if (params.symmetric_infill_y_axis) {
@@ -1515,6 +1507,7 @@ Polylines Layer::generate_sparse_infill_polylines_for_anchoring(FillAdaptive::Oc
         case ipCubic:
         case ipLine:
         case ipConcentric:
+        case ipSpiralInset:
         case ipHoneycomb:
         case ipLateralHoneycomb:
         case ip3DHoneycomb:
@@ -1581,8 +1574,14 @@ Polylines Layer::generate_sparse_infill_polylines_for_anchoring(FillAdaptive::Oc
         params.multiline         = surface_fill.params.multiline;
         params.gyroid_optimized          = surface_fill.params.gyroid_optimized;
         params.smooth_factor             = surface_fill.params.smooth_factor;
+        // Orca: Match make_fills() when choosing the origin of plane-path patterns.
+        // Without the sparse extrusion role, the filler uses each surface's bounds
+        // instead of the object's bounds, so bridge anchors shift away from printed infill.
+        params.extrusion_role            = surface_fill.params.extrusion_role;
 
         for (ExPolygon &expoly : surface_fill.expolygons) {
+            // Orca: Match the per-body origin of make_fills() before generating physical anchors.
+            f->set_bounding_box(infill_bounding_box(*this, surface_fill, expoly, bbox));
             // Spacing is modified by the filler to indicate adjustments. Reset it for each expolygon.
             f->spacing                     = surface_fill.params.spacing;
             surface_fill.surface.expolygon = std::move(expoly);

src/libslic3r/Fill/Fill.hpp

@@ -14,6 +14,12 @@ namespace Slic3r {
 
 class ExtrusionEntityCollection;
 class LayerRegion;
+class PrintObject;
+
+// Orca: Share the layer rotation calculation between infill generation and internal
+// bridge angle selection so both interpret rotation templates in the same way.
+double calculate_infill_rotation_angle(const PrintObject *object, size_t layer_id,
+                                      const double &fixed_infill_angle, const std::string &template_string);
 
 // An interface class to Perl, aggregating an instance of a Fill and a FillData.
 class Filler

src/libslic3r/Fill/FillAdaptive.cpp

@@ -1395,8 +1395,8 @@ void Filler::_fill_surface_single(
         }
 #endif /* ADAPTIVE_CUBIC_INFILL_DEBUG_OUTPUT */
 
-        const auto hook_length     = coordf_t(std::min<float>(std::numeric_limits<coord_t>::max(), scale_(params.anchor_length)));
-        const auto hook_length_max = coordf_t(std::min<float>(std::numeric_limits<coord_t>::max(), scale_(params.anchor_length_max)));
+        const auto hook_length     = coordf_t(scale_(params.anchor_length));
+        const auto hook_length_max = coordf_t(scale_(params.anchor_length_max));
 
     Polylines all_polylines_with_hooks = all_polylines.size() > 1 ? connect_lines_using_hooks(std::move(all_polylines), expolygon, this->spacing, hook_length, hook_length_max) : std::move(all_polylines);
 

src/libslic3r/Fill/FillBase.cpp

@@ -15,6 +15,7 @@
 
 #include "FillBase.hpp"
 #include "FillConcentric.hpp"
+#include "FillSpiralInset.hpp"
 #include "FillHoneycomb.hpp"
 #include "Fill3DHoneycomb.hpp"
 #include "FillGyroid.hpp"
@@ -41,6 +42,7 @@ Fill* Fill::new_from_type(const InfillPattern type)
 {
     switch (type) {
     case ipConcentric:          return new FillConcentric();
+    case ipSpiralInset:    return new FillSpiralInset();
     case ipHoneycomb:           return new FillHoneycomb();
     case ipLateralHoneycomb:         return new FillLateralHoneycomb();
     case ip3DHoneycomb:         return new Fill3DHoneycomb();
@@ -2465,9 +2467,11 @@ void Fill::connect_base_support(Polylines &&infill_ordered, const std::vector<co
 #endif // INFILL_DEBUG_OUTPUT
 
     const std::vector<SupportArcCost> arches = evaluate_support_arches(infill_ordered, graph, spacing, params);
-    static const double cost_low      = line_spacing * 1.3;
-    static const double cost_high     = line_spacing * 2.;
-    static const double cost_veryhigh = line_spacing * 3.;
+    // Must not be static: line_spacing varies per call (base vs interface fills differ),
+    // and a static here would fix these to whichever call ran first, order depending on thread count.
+    const double cost_low      = line_spacing * 1.3;
+    const double cost_high     = line_spacing * 2.;
+    const double cost_veryhigh = line_spacing * 3.;
 
     {
         std::vector<const SupportArcCost*> selected;

src/libslic3r/Fill/FillRectilinear.cpp

@@ -3090,10 +3090,11 @@ bool FillRectilinear::fill_surface_trapezoidal(
     case 0: // Grid / Trapezoidal
     {
         // Generate a non-crossing trapezoidal pattern to avoid overextrusion at intersections when `multiline > 1`.
-        //         P2--P3
-        //        /      \
-        //  P0_P1/        \P4_
-        //
+        /*
+         *         P2--P3
+         *        /      \
+         *  P0_P1/        \P4_
+         */
         // P0xP1x=P4xP0x=d1/2
         // P2xP3x=d1
         // P1yP2y=P2yP3y=d2
@@ -3171,10 +3172,12 @@ bool FillRectilinear::fill_surface_trapezoidal(
     case 1: // Triangular
     {
         // Generate a non-crossing trapezoidal pattern with a base line below.
-        //      P1-P2
-        //     /     \
-        //  P0/       \P3_P4
-        //  ----------------
+        /*
+         *      P1-P2
+         *     /     \
+         *  P0/       \P3_P4
+         *  ----------------
+         */
         // P1xP2x=P3xP4x=d2
         // P0yP1y=P2yP3y=h-2d1
         //

src/libslic3r/Fill/FillSpiralInset.cpp

@@ -0,0 +1,426 @@
+#include "../ClipperUtils.hpp"
+#include "../ExPolygon.hpp"
+#include "../Surface.hpp"
+#include "../VariableWidth.hpp"
+#include "Arachne/WallToolPaths.hpp"
+
+#include "FillSpiralInset.hpp"
+
+#include <algorithm>
+#include <cmath>
+#include <functional>
+
+namespace Slic3r {
+
+// Index of the corner the spiral should start at. Every following loop is split at the point nearest
+// the end of the one before it, so this choice propagates inwards and decides where the whole spiral
+// hands over from ring to ring. A tight corner is the worst place for it: there the next ring
+// retreats along the bisector by spacing/sin(angle), so the spiral has to strike out several spacings
+// to reach it instead of stepping across to a ring running parallel one spacing away.
+//
+// A right angle is taken first when the loop has one. It clips cleanly, since the trimming below
+// scales with 1/sin(angle) and so is at its shortest and least sensitive there, and it holds its
+// shape as the loop is offset inwards, which keeps the handover in the same place ring after ring.
+// Failing that the widest corner is the flattest stretch on offer, which is the next best handover.
+// A straight point is no corner at all and only turns up as an artefact of the offsetting, so it is
+// skipped.
+static int find_spiral_start_corner(const Polygon& loop)
+{
+    const size_t n = loop.points.size();
+    if (n < 3)
+        return 0;
+
+    // cos(85 deg): a corner within five degrees of square counts as a right angle.
+    static const double right_angle_cos = 0.08716;
+    // cos(179 deg): anything flatter than this counts as a straight point rather than a corner.
+    static const double straight_cos = -0.99985;
+
+    // Only convex corners qualify. A reflex corner spans the same angle between its two edges but
+    // bulges the other way, so the next ring in steps away from it along the bisector instead of
+    // hugging it, and starting there hands over across a long diagonal on every single ring. Loops
+    // arrive counter-clockwise, in which case a convex corner turns left, but check the winding
+    // rather than trust it. A closed loop always has at least one convex corner.
+    const double convex_turn = loop.is_counter_clockwise() ? 1.0 : -1.0;
+
+    double best_right_cos = right_angle_cos;
+    int    best_right     = -1;
+    double best_wide_cos  = 1.0;
+    int    best_wide      = -1;
+    for (size_t i = 0; i < n; ++i) {
+        const Point& p_prev = loop.points[(i - 1 + n) % n];
+        const Point& p      = loop.points[i];
+        const Point& p_next = loop.points[(i + 1) % n];
+
+        Vec2d  e_in  = (p - p_prev).cast<double>();
+        Vec2d  e_out = (p_next - p).cast<double>();
+        double len1  = e_in.norm();
+        double len2  = e_out.norm();
+        if (len1 < 1e-6 || len2 < 1e-6)
+            continue;
+        if (convex_turn * (e_in.x() * e_out.y() - e_in.y() * e_out.x()) <= 0.0)
+            continue;
+
+        // Cosine of the angle the two edges span at the corner: 1 at a spike, 0 square, -1 straight.
+        double cos_val = -e_in.dot(e_out) / (len1 * len2);
+        if (std::abs(cos_val) < best_right_cos) {
+            best_right_cos = std::abs(cos_val);
+            best_right     = int(i);
+        }
+        if (cos_val > straight_cos && cos_val < best_wide_cos) {
+            best_wide_cos = cos_val;
+            best_wide     = int(i);
+        }
+    }
+    if (best_right >= 0)
+        return best_right;
+    // A loop smooth enough to have no corner at all, a circle say, hands over equally well anywhere.
+    return best_wide < 0 ? 0 : best_wide;
+}
+
+// Length to trim off the end of a loop so that it does not overlap the start of the next one.
+// The theoretical gap is distance/sin(alpha), alpha being the angle between the last segment of the
+// loop and the first segment of the next one.
+static double loop_clip_length(const Polyline& loop_path, const double gap)
+{
+    const Point& p_prev = loop_path.points[loop_path.points.size() - 2];
+    const Point& p_last = loop_path.points.back();
+    const Point& p_next = loop_path.points[1];
+    Vec2d        v1     = (p_last - p_prev).cast<double>();
+    Vec2d        v2     = (p_next - p_last).cast<double>();
+    if (v1.norm() < 1e-6 || v2.norm() < 1e-6)
+        return gap;
+
+    double alpha = std::atan2(std::abs(v1.x() * v2.y() - v1.y() * v2.x()), v1.dot(v2));
+    // Outside 45deg < alpha < 120deg the 1/sin(alpha) term would clip far too much, so fall back to the plain gap.
+    return (alpha > M_PI / 4 && alpha < 2 * M_PI / 3) ? gap / std::sin(alpha) : gap;
+}
+
+// The chaining below drives two kinds of loop: the plain offset polygons of the classic path, and
+// Arachne's variable width walls. These are the only four steps that differ between them. Widths run
+// two per segment, so every point added or removed takes a pair with it.
+static Polyline open_loop(const Polygon& loop, int start_index) { return loop.split_at_index(start_index); }
+
+static ThickPolyline open_loop(const Arachne::ExtrusionLine& loop, int start_index)
+{
+    ThickPolyline path = Arachne::to_thick_polyline(loop);
+    // start_at_index() rotates a closed path, and wants it closed with a matching width at both ends.
+    if (path.points.front() != path.points.back()) {
+        const coordf_t w_first = path.width.front(), w_last = path.width.back();
+        path.points.emplace_back(path.points.front());
+        path.width.emplace_back(w_last);
+        path.width.emplace_back(w_first);
+    }
+    path.start_at_index(start_index);
+    return path;
+}
+
+static void clip_path_end(Polyline& path, double distance) { path.clip_end(distance); }
+
+static void clip_path_end(ThickPolyline& path, double distance)
+{
+    // Polyline::clip_end() knows nothing about the widths, so walk back trimming the two together.
+    while (distance > 0 && path.points.size() >= 2) {
+        const Point    last  = path.points.back();
+        const coordf_t w_end = path.width.back();
+        path.points.pop_back();
+        path.width.pop_back();
+        const coordf_t w_start = path.width.back();
+        path.width.pop_back();
+
+        const Vec2d  v   = (path.points.back() - last).cast<double>();
+        const double len = v.norm();
+        if (len > distance) {
+            const double t = distance / len;
+            path.points.emplace_back((last.cast<double>() + v * t).cast<coord_t>());
+            path.width.emplace_back(w_start);
+            path.width.emplace_back(w_start + (w_end - w_start) * (1.0 - t));
+            return;
+        }
+        distance -= len;
+    }
+    path.clear();
+}
+
+static void append_path(Polyline& dst, Polyline&& src) { dst.append(std::move(src)); }
+
+static void append_path(ThickPolyline& dst, ThickPolyline&& src)
+{
+    if (dst.empty()) {
+        dst = std::move(src);
+        return;
+    }
+    if (dst.points.back() == src.points.front()) {
+        // Carrying straight on from the same point, so there is no run across to give a width to.
+        src.points.erase(src.points.begin());
+        src.width.erase(src.width.begin(), src.width.begin() + 2);
+    } else {
+        // The run across to the next loop tapers between the two ends it joins.
+        const coordf_t w_from = dst.width.back(), w_to = src.width.front();
+        dst.width.emplace_back(w_from);
+        dst.width.emplace_back(w_to);
+    }
+    append(dst.points, std::move(src.points));
+    append(dst.width, std::move(src.width));
+}
+
+// The classic loops all carry the same width, so the innermost one of an island can still ring an
+// unfilled pin hole, which the spiral plugs by running into the middle. Arachne's walls widen to take
+// up whatever is left over, so there is nothing there to plug and the stub would only double back
+// over the wall that just filled it.
+static bool leaves_a_centre_hole(const Polygon&) { return true; }
+static bool leaves_a_centre_hole(const Arachne::ExtrusionLine&) { return false; }
+
+static void append_path_point(Polyline& path, const Point& point) { path.points.emplace_back(point); }
+
+static void append_path_point(ThickPolyline& path, const Point& point)
+{
+    const coordf_t w = path.width.back();
+    path.points.emplace_back(point);
+    path.width.emplace_back(w);
+    path.width.emplace_back(w);
+}
+
+// Chain the loops of one surface into as few continuous spirals as its shape allows. The loops arrive
+// ordered outside in, depth first, each paired with its outline in loop_outlines; every decision here
+// is made on those outlines, so the two kinds of loop take exactly the same route.
+template<class LoopType, class PathType>
+static std::vector<PathType> generate_spiral_insets(const FillParams&                   params,
+                                                         const std::vector<const LoopType*>& loops,
+                                                         const Polygons&                     loop_outlines,
+                                                         const coord_t                       distance,
+                                                         const ExPolygon&                    original_expoly)
+{
+    std::vector<PathType> output;
+    PathType              spiral;
+    Point                 current_pos(0, 0);
+    // Index into loops of the innermost loop appended to the spiral currently being built.
+    int innermost_loop = -1;
+
+    // Whether the spiral can run straight from one point to the other. The run across is extruded,
+    // not travelled, so it has to be a genuine step over to the ring alongside:
+    //  - up to a ring spacing and a half it cannot leave the material, and needs no check at all,
+    //    which covers all but a few of the loops;
+    //  - beyond that it is tested against the surface, which catches the points that are close in a
+    //    straight line but separated by a hole or a notch;
+    //  - past four spacings it is refused outright. A handover does stretch at a corner, where the
+    //    next ring retreats along the bisector by spacing/sin(angle), but four spacings is already a
+    //    fifteen degree wedge, and down a wedge that tight the run across would trace the bisector,
+    //    which is where the tail is filled from anyway. Anything longer is a traverse across the
+    //    surface that prints over what it crosses. Breaking the spiral leaves the G-code to travel it.
+    const double free_hop = 1.5 * double(distance);
+    const double max_hop  = 4.0 * double(distance);
+    auto reachable = [&](const Point& from, const Point& to) {
+        const double hop = from.distance_to(to);
+        if (hop > max_hop)
+            return false;
+        return hop <= free_hop || original_expoly.contains(Line(from, to));
+    };
+
+    // The centre point plugs the pin hole left in the middle of an island, it is not meant to
+    // traverse it, so it is only worth adding when the innermost loop has shrunk to about a ring.
+    const double max_center_stub = 2.0 * double(distance);
+
+    // Emit the spiral built so far as one path and start over on a fresh island.
+    auto flush_spiral = [&]() {
+        if (spiral.empty())
+            return;
+        // Run into the middle of the innermost loop so the island's centre is filled instead of being
+        // left as a pin hole. Only where there is a hole to fill: the loop has to still enclose open
+        // space once its own bead is accounted for, or the stub just runs back over that bead. And
+        // the point has to sit inside the loop and be reachable, or it runs off across the surface.
+        if (innermost_loop >= 0 && leaves_a_centre_hole(*loops[innermost_loop])) {
+            const Polygon& innermost = loop_outlines[innermost_loop];
+            const Point    centroid  = innermost.centroid();
+            if (!offset(innermost, -float(0.5 * double(distance))).empty() && centroid != spiral.last_point() &&
+                spiral.last_point().distance_to(centroid) <= max_center_stub && innermost.contains(centroid) &&
+                reachable(spiral.last_point(), centroid))
+                append_path_point(spiral, centroid);
+        }
+        output.emplace_back(std::move(spiral));
+        spiral.clear();
+        innermost_loop = -1;
+        current_pos    = Point(0, 0);
+    };
+
+    for (size_t i = 0; i < loops.size(); ++i) {
+        const Polygon& outline = loop_outlines[i];
+        if (outline.points.empty())
+            continue;
+
+        // The loop is opened into a path with the split point repeated at both ends, so a usable one
+        // has at least 3 points. Both kinds of loop share the outline's indices, hence its start point.
+        PathType loop_path = open_loop(*loops[i], spiral.empty() ? find_spiral_start_corner(outline) :
+                                                                  current_pos.nearest_point_index(outline.points));
+        if (loop_path.size() < 3)
+            continue;
+
+        // Island jumping: the loops are ordered by their nesting, depth first, so the next one
+        // continues the current spiral exactly when it lies inside the one just laid down. Distance
+        // cannot stand in for that test: at a sharp corner the next ring retreats along the bisector
+        // by spacing/sin(angle), which leaves it several spacings away while still being the very
+        // next ring in, and the spiral would break off at every spike.
+        const bool same_island = innermost_loop >= 0 && loop_outlines[innermost_loop].contains(loop_path.points.front());
+        if (!spiral.empty() && (!same_island || !reachable(spiral.last_point(), loop_path.points.front()))) {
+            flush_spiral();
+            loop_path = open_loop(*loops[i], find_spiral_start_corner(outline));
+            if (loop_path.size() < 3)
+                continue;
+        }
+
+        // Clip the end of the loop to leave room for the run into the next one. The last loop of the
+        // surface has no successor, so it only gives up half of the gap.
+        clip_path_end(loop_path, loop_clip_length(loop_path, (i + 1 == loops.size() ? 0.5 : 1.0) * double(distance)));
+        // Clipping empties the path when the loop is shorter than the clipping length, which happens
+        // on the degenerate slivers that offsetting leaves behind. Such a loop carries no extrusion.
+        if (loop_path.size() < 2)
+            continue;
+
+        append_path(spiral, std::move(loop_path));
+        innermost_loop = int(i);
+        current_pos    = spiral.last_point();
+    }
+
+    flush_spiral();
+
+    // An outward fill order runs every spiral from its centre to its outer edge, innermost island first.
+    if (params.fill_order != SurfaceFillOrder::Inward) {
+        for (PathType& path : output)
+            path.reverse();
+        std::reverse(output.begin(), output.end());
+    }
+
+    return output;
+}
+
+void FillSpiralInset::_fill_surface_single(const FillParams& params,
+                                                unsigned int thickness_layers,
+                                                const std::pair<float, Point>& direction,
+                                                ExPolygon expolygon,
+                                                Polylines& polylines_out)
+{
+    BoundingBox bounding_box = expolygon.contour.bounding_box();
+
+    coord_t min_spacing = scale_(this->spacing);
+    coord_t distance    = coord_t(min_spacing / params.density);
+
+    if (params.density > 0.9999f && !params.dont_adjust) {
+        distance      = this->_adjust_solid_spacing(bounding_box.size()(0), distance);
+        this->spacing = unscale<double>(distance);
+    }
+
+    Polygons loops = to_polygons(expolygon);
+
+    ExPolygons last{std::move(expolygon)};
+    while (!last.empty()) {
+        last = offset2_ex(last, -(distance + min_spacing / 2), +min_spacing / 2);
+        append(loops, to_polygons(last));
+    }
+
+    // Orders the loops outside in, depth first, which is the order the chaining below expects.
+    loops = union_pt_chained_outside_in(loops);
+
+    std::vector<const Polygon*> loop_refs;
+    loop_refs.reserve(loops.size());
+    for (const Polygon& loop : loops)
+        loop_refs.emplace_back(&loop);
+
+    Polylines spiral_result = generate_spiral_insets<Polygon, Polyline>(params, loop_refs, loops, distance, expolygon);
+
+    append(polylines_out, spiral_result);
+}
+
+void FillSpiralInset::_fill_surface_single(const FillParams& params,
+                                                unsigned int thickness_layers,
+                                                const std::pair<float, Point>& direction,
+                                                ExPolygon expolygon,
+                                                ThickPolylines& thick_polylines_out)
+{
+    assert(params.use_arachne);
+    assert(this->print_config != nullptr && this->print_object_config != nullptr);
+
+    // Only a solid surface is worth the variable width walls; a sparse one falls back to plain loops.
+    if (params.density <= 0.9999f || params.dont_adjust) {
+        Polylines polylines;
+        this->_fill_surface_single(params, thickness_layers, direction, expolygon, polylines);
+        append(thick_polylines_out, to_thick_polylines(std::move(polylines), scaled<coord_t>(this->spacing)));
+        return;
+    }
+
+    // no rotation is supported for this infill pattern
+    Point   bbox_size   = expolygon.contour.bounding_box().size();
+    coord_t min_spacing = scaled<coord_t>(this->spacing);
+
+    coord_t  loops_count = std::max(bbox_size.x(), bbox_size.y()) / min_spacing + 1;
+    Polygons polygons    = offset(expolygon, float(min_spacing) / 2.f);
+
+    double min_nozzle_diameter = *std::min_element(print_config->nozzle_diameter.values.begin(), print_config->nozzle_diameter.values.end());
+    Arachne::WallToolPathsParams input_params;
+    input_params.min_bead_width                = 0.85 * min_nozzle_diameter;
+    input_params.min_feature_size              = 0.25 * min_nozzle_diameter;
+    input_params.wall_transition_length        = 1.0 * min_nozzle_diameter;
+    input_params.wall_transition_angle         = 10;
+    input_params.wall_transition_filter_deviation = 0.25 * min_nozzle_diameter;
+    input_params.wall_distribution_count       = 1;
+
+    Arachne::WallToolPaths wallToolPaths(polygons, min_spacing, min_spacing, loops_count, 0, params.layer_height, input_params);
+    std::vector<Arachne::VariableWidthLines> walls_by_inset = wallToolPaths.getToolPaths();
+
+    // Open walls are the thin features Arachne fits between the closed ones. They cannot join a
+    // spiral, so they go out as they are; leaving them behind is what would put the gaps back.
+    std::vector<const Arachne::ExtrusionLine*> walls;
+    Polygons                                   wall_outlines;
+    ThickPolylines                             open_walls;
+    for (const Arachne::VariableWidthLines& inset : walls_by_inset)
+        for (const Arachne::ExtrusionLine& wall : inset) {
+            if (wall.empty())
+                continue;
+            if (wall.is_closed) {
+                walls.emplace_back(&wall);
+                wall_outlines.emplace_back(wall.toPolygon());
+            } else {
+                open_walls.emplace_back(Arachne::to_thick_polyline(wall));
+            }
+        }
+
+    // Arachne hands the walls back grouped by inset, which is not their nesting: around a hole the
+    // wall of a given inset lies inside the wall of that same inset around the contour. Nest them by
+    // containment instead, so the spiral follows one island all the way in before starting the next,
+    // the same order union_pt_chained_outside_in gives the classic path above.
+    const size_t      wall_count = walls.size();
+    std::vector<int>  nesting_depth(wall_count, 0), parent(wall_count, -1);
+    std::vector<char> inside(wall_count * wall_count, 0);
+    for (size_t i = 0; i < wall_count; ++i)
+        for (size_t j = 0; j < wall_count; ++j)
+            if (i != j && wall_outlines[j].contains(walls[i]->junctions.front().p)) {
+                inside[i * wall_count + j] = 1;
+                ++nesting_depth[i];
+            }
+    // The innermost of the walls containing this one, which is the deepest of them, is its parent.
+    for (size_t i = 0; i < wall_count; ++i)
+        for (size_t j = 0; j < wall_count; ++j)
+            if (inside[i * wall_count + j] && (parent[i] < 0 || nesting_depth[parent[i]] < nesting_depth[j]))
+                parent[i] = int(j);
+
+    std::vector<const Arachne::ExtrusionLine*> ordered;
+    Polygons                                   outlines;
+    ordered.reserve(wall_count);
+    outlines.reserve(wall_count);
+    std::function<void(int)> descend = [&](int idx) {
+        ordered.emplace_back(walls[idx]);
+        outlines.emplace_back(wall_outlines[idx]);
+        for (size_t k = 0; k < wall_count; ++k)
+            if (parent[k] == idx)
+                descend(int(k));
+    };
+    for (size_t i = 0; i < wall_count; ++i)
+        if (parent[i] < 0)
+            descend(int(i));
+
+    ThickPolylines spiral_result =
+        generate_spiral_insets<Arachne::ExtrusionLine, ThickPolyline>(params, ordered, outlines, min_spacing, expolygon);
+
+    append(thick_polylines_out, std::move(spiral_result));
+    append(thick_polylines_out, std::move(open_walls));
+}
+
+} // namespace Slic3r

src/libslic3r/Fill/FillSpiralInset.hpp

@@ -0,0 +1,37 @@
+#ifndef slic3r_FillSpiralInset_hpp_
+#define slic3r_FillSpiralInset_hpp_
+
+#include "FillBase.hpp"
+
+namespace Slic3r {
+
+class FillSpiralInset : public Fill
+{
+public:
+	~FillSpiralInset() override = default;
+	bool is_self_crossing() override { return false; }
+
+protected:
+	Fill* clone() const override { return new FillSpiralInset(*this); };
+	void _fill_surface_single(
+		const FillParams              &params,
+		unsigned int                   thickness_layers,
+		const std::pair<float, Point> &direction,
+		ExPolygon                      expolygon,
+		Polylines                     &polylines_out) override;
+
+	// Orca: solid surfaces are filled with Arachne's variable width walls, which widen to take up
+	// whatever the fixed width loops above would have left over as gaps.
+	void _fill_surface_single(
+		const FillParams              &params,
+		unsigned int                   thickness_layers,
+		const std::pair<float, Point> &direction,
+		ExPolygon                      expolygon,
+		ThickPolylines                &thick_polylines_out) override;
+
+	bool no_sort() const override { return true; }
+};
+
+} // namespace Slic3r
+
+#endif // slic3r_FillSpiralInset_hpp_

src/libslic3r/FlushVolCalc.cpp

@@ -40,8 +40,8 @@ static float DeltaHS_BBS(float h1, float s1, float v1, float h2, float s2, float
     return std::min(1.2f, dxy);
 }
 
-FlushVolCalculator::FlushVolCalculator(int min, int max, int flush_dataset, float multiplier)
-    :m_min_flush_vol(min), m_max_flush_vol(max), m_multiplier(multiplier), m_flush_dataset(flush_dataset)
+FlushVolCalculator::FlushVolCalculator(int min, int max, int flush_dataset)
+    :m_min_flush_vol(min), m_max_flush_vol(max), m_flush_dataset(flush_dataset)
 {
 }
 

src/libslic3r/FlushVolCalc.hpp

@@ -15,7 +15,7 @@ extern const int g_max_flush_volume;
 class FlushVolCalculator
 {
 public:
-    FlushVolCalculator(int min, int max, int flush_dataset, float multiplier = 1.0f);
+    FlushVolCalculator(int min, int max, int flush_dataset);
     ~FlushVolCalculator()
     {
     }
@@ -32,7 +32,6 @@ public:
 private:
     int m_min_flush_vol;
     int m_max_flush_vol;
-    float m_multiplier;
     int m_flush_dataset;
 };
 

src/libslic3r/Format/bbs_3mf.cpp

@@ -102,45 +102,6 @@ struct ZipUnicodePathExtraField
     }
 };
 
-// Validate that a relative file path does not escape the root directory via path traversal.
-static bool is_path_within_root(const std::string& file_path, const boost::filesystem::path& root)
-{
-    if (file_path.empty())
-        return false;
-
-    boost::filesystem::path p(file_path);
-    if (p.is_absolute())
-        return false;
-
-    // Reject any path component that is ".."
-    for (const auto& component : p) {
-        if (component == "..")
-            return false;
-    }
-
-    // Resolve the full path and verify it starts with the canonical root (also catches symlink escapes)
-    try {
-        boost::filesystem::path full_path = root / p;
-        boost::filesystem::path canonical_root = boost::filesystem::weakly_canonical(root);
-        boost::filesystem::path canonical_full = boost::filesystem::weakly_canonical(full_path);
-
-        auto root_str = canonical_root.string();
-        auto full_str = canonical_full.string();
-        if (full_str.length() < root_str.length())
-            return false;
-        if (full_str.compare(0, root_str.length(), root_str) != 0)
-            return false;
-        // Ensure it's a proper prefix (not just a substring of a longer directory name)
-        if (full_str.length() > root_str.length() &&
-            full_str[root_str.length()] != boost::filesystem::path::preferred_separator)
-            return false;
-    } catch (const boost::filesystem::filesystem_error&) {
-        return false;
-    }
-
-    return true;
-}
-
 // VERSION NUMBERS
 // 0 : .3mf, files saved by older slic3r or other applications. No version definition in them.
 // 1 : Introduction of 3mf versioning. No other change in data saved into 3mf files.
@@ -681,6 +642,11 @@ bool bbs_is_valid_object_type(const std::string& type)
 
 namespace Slic3r {
 
+bool is_published_3mf_flag(const std::string &value)
+{
+    return value == "1";
+}
+
 void PlateData::parse_filament_info(GCodeProcessorResult *result)
 {
     if (!result) return;
@@ -1217,6 +1183,20 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
         // add backup & restore logic
         bool _load_model_from_file(std::string filename, Model& model, PlateDataPtrs& plate_data_list, std::vector<Preset*>& project_presets, DynamicPrintConfig& config, ConfigSubstitutionContext& config_substitutions, Import3mfProgressFn proFn = nullptr,
             BBLProject* project = nullptr, int plate_id = 0);
+
+        // A minimal published 3MF carries no slicer tags (any tag would make old receivers show
+        // a baked-in, wrong "old version" popup on their geometry-only fallback), so it
+        // classifies as From_Other. It is still a fully structured OrcaSlicer file though:
+        // identified by its own metadata, it keeps BBS-grade geometry handling (no instance
+        // splitting, no transform baking, no renaming) in this build. Old receivers without the
+        // publish feature don't know the metadata and take their third-party geometry path.
+        // Reads the parse-time metadata: the model XML carries it before its resources, while
+        // m_model->model_info is only filled in after the whole XML has been parsed.
+        bool _is_published_3mf() const {
+            const auto it = this->model_info.metadata_items.find(ORCA_PUBLISHED_TAG);
+            return it != this->model_info.metadata_items.end() && is_published_3mf_flag(it->second);
+        }
+
         bool _is_svg_shape_file(const std::string &filename) const;
         bool _extract_from_archive(mz_zip_archive& archive, std::string const & path, std::function<bool (mz_zip_archive& archive, const mz_zip_archive_file_stat& stat)>, bool restore = false);
         bool _extract_xml_from_archive(mz_zip_archive& archive, std::string const & path, XML_StartElementHandler start_handler, XML_EndElementHandler end_handler);
@@ -2041,7 +2021,7 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
 
         lock.close();
 
-        if (!m_is_bbl_3mf) {
+        if (!m_is_bbl_3mf && !_is_published_3mf()) {
             // if the 3mf was not produced by OrcaSlicer and there is more than one instance,
             // split the object in as many objects as instances
             BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << ":" << __LINE__ << boost::format(", found 3mf from other vendor, split as instance");
@@ -3605,7 +3585,7 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
             m_index_paths.insert({ object.first.second, object.first.first});
         }
 
-        if (!m_is_bbl_3mf) {
+        if (!m_is_bbl_3mf && !_is_published_3mf()) {
             // if the 3mf was not produced by OrcaSlicer and there is only one object,
             // set the object name to match the filename
             if (m_model->objects.size() == 1)
@@ -5328,7 +5308,7 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
 
             TriangleMesh triangle_mesh(std::move(its), volume_data.mesh_stats);
 
-            if (!m_is_bbl_3mf) {
+            if (!m_is_bbl_3mf && !_is_published_3mf()) {
                 // if the 3mf was not produced by OrcaSlicer and there is only one instance,
                 // bake the transformation into the geometry to allow the reload from disk command
                 // to work properly
@@ -5974,6 +5954,7 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
         bool m_save_gcode { false };        // whether to save gcode for normal save
         bool m_skip_model { false };        // skip model when exporting .gcode.3mf
         bool m_skip_auxiliary { false };    // skip normal axuiliary files
+        bool m_minimal_published { false }; // published 3MF: omit the project config, the embedded preset files and the slicer tags
         bool m_use_loaded_id { false };        // whether to use loaded id for identify_id
         bool m_share_mesh { false };        // whether to share mesh between objects
         std::string m_thumbnail_middle = PRINTER_THUMBNAIL_MIDDLE_FILE;
@@ -6073,6 +6054,7 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
         m_skip_auxiliary = store_params.strategy & SaveStrategy::SkipAuxiliary;
         m_share_mesh       = store_params.strategy & SaveStrategy::ShareMesh;
         m_from_backup_save = store_params.strategy & SaveStrategy::Backup;
+        m_minimal_published = store_params.strategy & SaveStrategy::MinimalPublished;
 
         m_use_loaded_id = store_params.strategy & SaveStrategy::UseLoadedId;
 
@@ -6482,7 +6464,10 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
 
             // Adds slic3r print config file ("Metadata/Slic3r_PE.config").
             // This file contains the content of FullPrintConfig / SLAFullPrintConfig.
-            if (config != nullptr) {
+            // Omitted for minimal published 3MF: OrcaSlicer versions without the publish feature
+            // then fall back to importing the geometry only, and new versions read the published
+            // payload from the model metadata instead.
+            if (config != nullptr && !m_minimal_published) {
                 // BBS: change to json format
                 // if (!_add_print_config_file_to_archive(archive, *config)) {
                 if (!_add_project_config_file_to_archive(archive, *config, model)) { return false; }
@@ -6495,8 +6480,8 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
                 if (cb_cancel) return false;
             }
 
-            // BBS: add project config
-            if (project_presets.size() > 0) {
+            // BBS: add project config (omitted for minimal published 3MF)
+            if (!m_minimal_published && project_presets.size() > 0) {
                 // BBS: add project embedded preset files
                 _add_project_embedded_presets_to_archive(archive, model, project_presets);
 
@@ -6968,10 +6953,31 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
                 // Orca: PRIVACY: do not store creation & modification date in 3mf
                 metadata_item_map[BBL_CREATION_DATE_TAG] = "";
                 metadata_item_map[BBL_MODIFICATION_TAG]  = "";
-                // Orca: Write the BambuStudio compatibility version string using SLIC3R_VERSION
-                metadata_item_map[BBL_APPLICATION_TAG] = (boost::format("%1%-%2%") % "BambuStudio" % SLIC3R_VERSION).str();
+                // Orca: Write the BambuStudio compatibility version string using SLIC3R_VERSION.
+                // A minimal published 3MF writes no slicer tags at all: any tag would route old
+                // receivers onto a geometry-only fallback whose baked-in popup misreports the
+                // file ("old OrcaSlicer version" / "BambuStudio"), while tag-less files classify
+                // as From_Other and import the geometry silently.
+                if (m_minimal_published) {
+                    // metadata_item_map is seeded from the input file's metadata_items above, so a
+                    // project opened from a regular Orca/BBS 3MF still carries the slicer-identifying
+                    // tags it came with. Erase every one of them - not just the two most common -
+                    // so a published 3MF is fully tag-less: old receivers classify it as From_Other
+                    // and import the geometry silently instead of showing a baked-in "old version"
+                    // popup, and no version marker survives to seed a later re-save.
+                    metadata_item_map.erase(BBL_APPLICATION_TAG);
+                    metadata_item_map.erase(ORCASLICER_TAG);
+                    metadata_item_map.erase(BBS_3MF_VERSION);
+                    metadata_item_map.erase(BBS_3MF_VERSION1);
+                } else {
+                    metadata_item_map[BBL_APPLICATION_TAG] = (boost::format("%1%-%2%") % "BambuStudio" % SLIC3R_VERSION).str();
+                }
             }
-            metadata_item_map[BBS_3MF_VERSION] = std::to_string(VERSION_BBS_3MF);
+            // The Bambu 3MF version marker is part of the slicer identity: omit it for a minimal
+            // published file along with the tags erased above (skipping the overwrite alone would
+            // leave the value the source file seeded into metadata_item_map).
+            if (!m_minimal_published)
+                metadata_item_map[BBS_3MF_VERSION] = std::to_string(VERSION_BBS_3MF);
 
             if (!model.mk_name.empty()) {
                 metadata_item_map[BBL_MAKERLAB_TAG] = xml_escape(model.mk_name);
@@ -6994,7 +7000,11 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
                 BOOST_LOG_TRIVIAL(info) << "bbs_3mf: save key= " << item.first << ", value = " << item.second;
                 stream << " <" << METADATA_TAG << " name=\"" << item.first << "\">"
                        << xml_escape(item.second) << "</" << METADATA_TAG << ">\n";
-                if (item.first == BBL_APPLICATION_TAG) {
+                if (item.first == BBL_APPLICATION_TAG && !m_minimal_published) {
+                    // The OrcaSlicer tag is only written for files that carry the Application
+                    // tag, which a minimal published 3MF erases (see the map assignment above):
+                    // the explicit !m_minimal_published guard keeps the tag-less guarantee from
+                    // depending on that erase happening to run first.
                     stream << " <" << METADATA_TAG << " name=\"" << ORCASLICER_TAG << "\">"
                            << xml_escape(SoftFever_VERSION) << "</" << METADATA_TAG << ">\n";
                 }
@@ -8834,7 +8844,7 @@ public:
         auto model = object.get_model();
         auto o = m_temp_model.add_object(object);
         int backup_id = model->get_object_backup_id(object);
-        push_task({ AddObject, (size_t) backup_id, object.get_model()->get_backup_path(), o, 1 });
+        push_task({ AddObject, (size_t) backup_id, object.get_model()->get_backup_path(), o, { 1 } });
     }
 
     void remove_object_mesh(ModelObject& object) {
@@ -8844,7 +8854,7 @@ public:
     void backup_soon() {
         boost::lock_guard lock(m_mutex);
         m_other_changes_backup = true;
-        m_tasks.push_back({ Backup, 0, std::string(), nullptr, ++m_task_seq });
+        m_tasks.push_back({ Backup, 0, std::string(), nullptr, { ++m_task_seq } });
         m_cond.notify_all();
     }
 
@@ -8862,7 +8872,7 @@ public:
             m_ui_tasks.clear();
             m_tasks.clear();
         }
-        m_tasks.push_back({ RemoveBackup, model.id().id, model.get_backup_path(), nullptr, removeAll });
+        m_tasks.push_back({ RemoveBackup, model.id().id, model.get_backup_path(), nullptr, { removeAll } });
         ++m_task_seq;
         if (model.is_need_backup()) {
             m_other_changes = false;
@@ -9077,7 +9087,7 @@ public:
                 else
                     m_cond.wait(lock);
                 if (m_interval > 0 && boost::get_system_time() > m_next_backup) {
-                    m_tasks.push_back({ Backup, 0, std::string(), nullptr, ++m_task_seq });
+                    m_tasks.push_back({ Backup, 0, std::string(), nullptr, { ++m_task_seq } });
                     m_next_backup += boost::posix_time::seconds(m_interval);
                     // Maybe wakeup from power sleep
                     if (m_next_backup < boost::get_system_time())
@@ -9173,6 +9183,126 @@ std::string bbs_3mf_get_thumbnail(const char *path)
     return data;
 }
 
+namespace {
+
+// Parses just the model-file <metadata> elements, mirroring the importer's
+// _handle_start_metadata/_handle_end_metadata (attribute-order independent, entity-unescaped,
+// whitespace tolerant). Stops the parser as soon as the published flag node is read so the
+// geometry/resources that follow are skipped, which keeps the per-file cost small.
+struct PublishedXmlProbe
+{
+    XML_Parser parser{nullptr};
+    bool       in_metadata{false};
+    bool       found{false};
+    bool       published{false};
+    std::string curr_name;
+    std::string curr_value;
+
+    static std::string attribute(const char** attrs, const char* key)
+    {
+        if (attrs == nullptr)
+            return std::string();
+        // expat hands the attrs as a NULL-terminated {name, value, ...} array.
+        for (unsigned int a = 0; attrs[a] != nullptr; a += 2)
+            if (::strcmp(attrs[a], key) == 0 && attrs[a + 1] != nullptr)
+                return attrs[a + 1];
+        return std::string();
+    }
+
+    static void XMLCALL start(void* user_data, const char* name, const char** attrs)
+    {
+        auto* self = static_cast<PublishedXmlProbe*>(user_data);
+        if (::strcmp(name, METADATA_TAG) == 0) {
+            self->in_metadata = true;
+            self->curr_name   = attribute(attrs, NAME_ATTR);
+            self->curr_value.clear();
+        } else {
+            self->in_metadata = false;
+        }
+    }
+
+    static void XMLCALL characters(void* user_data, const XML_Char* s, int len)
+    {
+        auto* self = static_cast<PublishedXmlProbe*>(user_data);
+        if (self->in_metadata)
+            self->curr_value.append(s, len);
+    }
+
+    static void XMLCALL end(void* user_data, const char* name)
+    {
+        auto* self = static_cast<PublishedXmlProbe*>(user_data);
+        if (!self->in_metadata || ::strcmp(name, METADATA_TAG) != 0)
+            return;
+        self->in_metadata = false;
+        if (self->curr_name == ORCA_PUBLISHED_TAG) {
+            self->published = is_published_3mf_flag(xml_unescape(self->curr_value));
+            self->found     = true;
+            if (self->parser != nullptr)
+                XML_StopParser(self->parser, false);
+        }
+    }
+};
+
+} // namespace
+
+bool bbs_3mf_is_published(const std::string &path)
+{
+    mz_zip_archive archive;
+    mz_zip_zero_struct(&archive);
+
+    struct close_lock
+    {
+        mz_zip_archive *archive;
+        void            close()
+        {
+            if (archive) {
+                close_zip_reader(archive);
+                archive = nullptr;
+            }
+        }
+        ~close_lock() { close(); }
+    } lock{&archive};
+
+    if (!open_zip_reader(&archive, path))
+        return false;
+
+    // Read just the model XML (the metadata node sits before the resources, so the probe below
+    // stops early) rather than by a raw substring match; no geometry parsing.
+    int index = mz_zip_reader_locate_file(&archive, MODEL_FILE.c_str(), nullptr, 0);
+    if (index < 0)
+        return false;
+    mz_zip_archive_file_stat stat;
+    if (!mz_zip_reader_file_stat(&archive, index, &stat))
+        return false;
+    std::string xml(stat.m_uncomp_size, '\0');
+    if (!mz_zip_reader_extract_to_mem(&archive, index, xml.data(), xml.size(), 0))
+        return false;
+
+    XML_Parser parser = XML_ParserCreate(nullptr);
+    if (parser == nullptr)
+        return false;
+
+    PublishedXmlProbe probe;
+    probe.parser = parser;
+    XML_SetUserData(parser, &probe);
+    XML_SetElementHandler(parser, PublishedXmlProbe::start, PublishedXmlProbe::end);
+    XML_SetCharacterDataHandler(parser, PublishedXmlProbe::characters);
+    // Never resolve external entities from a file we are only probing.
+    XML_SetExternalEntityRefHandler(parser, nullptr);
+    XML_SetEntityDeclHandler(parser, nullptr);
+
+    const XML_Status status = XML_Parse(parser, xml.data(), static_cast<int>(xml.size()), 1);
+    // XML_StopParser(parser, false) from the end handler makes XML_Parse return
+    // XML_STATUS_ERROR with XML_ERROR_ABORTED - treat that as success (we stopped on the flag).
+    const bool parse_ok = (status == XML_STATUS_OK) ||
+                          (XML_GetErrorCode(parser) == XML_ERROR_ABORTED && probe.found);
+    XML_ParserFree(parser);
+
+    if (!parse_ok)
+        return false;
+    return probe.published;
+}
+
 bool load_gcode_3mf_from_stream(std::istream &data, DynamicPrintConfig *config, Model *model, PlateDataPtrs *plate_data_list, Semver *file_version)
 {
     CNumericLocalesSetter locales_setter;

src/libslic3r/Format/bbs_3mf.hpp

@@ -159,12 +159,28 @@ enum class SaveStrategy
     SkipAuxiliary       = 1 << 9,
     UseLoadedId         = 1 << 10,
     ShareMesh           = 1 << 11,
+    // Keep this separate from SplitModel, which uses the 0x1000 bit as part of its
+    // production-extension value.
+    MinimalPublished    = 1 << 13,
 
     SplitModel = 0x1000 | ProductionExt,
     Encrypted  = SecureContentExt | SplitModel,
     Backup = 0x10000 | WithGcode | Silence | SkipStatic | SplitModel,
 };
 
+// Model metadata keys of a "published" 3MF (see MinimalPublished): the flag marks a minimal,
+// tag-less publish export, the others carry the author-selected settings payload. Namespaced
+// with the "orca_published" prefix because metadata_items round-trips verbatim through other
+// slicers, where a bare "published" key could collide.
+inline constexpr const char *ORCA_PUBLISHED_TAG          = "orca_published";
+inline constexpr const char *ORCA_PUBLISHED_KEYS_TAG     = "orca_published_keys";
+inline constexpr const char *ORCA_PUBLISHED_MATERIAL_TAG = "orca_published_material_keys";
+inline constexpr const char *ORCA_PUBLISHED_CONFIG_TAG   = "orca_published_config";
+
+// Published files are produced with "1". The importer and the GUI loader both gate on this
+// exact value, so a "0"/"false"/unknown value is rejected consistently.
+bool is_published_3mf_flag(const std::string &value);
+
 inline SaveStrategy operator | (SaveStrategy lhs, SaveStrategy rhs)
 {
     using T = std::underlying_type_t <SaveStrategy>;
@@ -277,6 +293,9 @@ extern bool load_bbs_3mf(const char* path, DynamicPrintConfig* config, ConfigSub
 
 extern std::string bbs_3mf_get_thumbnail(const char * path);
 
+// Lightweight check: does this 3mf carry the "published" (orca_published == "1") marker? Only reads the 3D/3dmodel.model metadata node
+extern bool bbs_3mf_is_published(const std::string &path);
+
 extern bool load_gcode_3mf_from_stream(std::istream & data, DynamicPrintConfig* config, Model* model, PlateDataPtrs* plate_data_list,
        Semver* file_version);
 

src/libslic3r/GCode.cpp

@@ -6308,8 +6308,13 @@ LayerResult GCode::process_layer(
                                 all_label_ids.insert(inst.label_object_id);
                         break;
                     }
-            std::vector<size_t> filament_instances_id(all_label_ids.begin(), all_label_ids.end());
-            m_filament_instances_code = _encode_label_ids_to_base64(filament_instances_id);
+            // Orca: A scheduled extruder may have no object instances on this layer.
+            // Clear any pending mask so it cannot be emitted for the wrong toolchange.
+            m_filament_instances_code.clear();
+            if (!all_label_ids.empty()) {
+                std::vector<size_t> filament_instances_id(all_label_ids.begin(), all_label_ids.end());
+                m_filament_instances_code = _encode_label_ids_to_base64(filament_instances_id);
+            }
         }
 
         // The inline _extrude hook may already have taken the snapshot mid-extrusion on a

src/libslic3r/GCode/FanMover.hpp

@@ -32,7 +32,8 @@ class FanMover
 private:
     const std::regex regex_fan_speed;
     const float nb_seconds_delay;
-    const bool with_D_option;
+    // Set from fan_speedup_time at the call site, but nothing here reads it.
+    [[maybe_unused]] const bool with_D_option;
     const bool relative_e;
     const bool only_overhangs;
     const float kickstart;

src/libslic3r/GCode/GCodeProcessor.cpp

@@ -1468,9 +1468,11 @@ void GCodeProcessor::run_post_process()
 
     // Append a per-filament usage block at a filament change.
     auto handle_filament_change = [&](int filament_id, int cur_line_id, int nozzle_id) {
-        // skip filament changes emitted inside the machine start / end gcode
-        if (m_machine_start_gcode_end_line_id == (unsigned int) (-1) && (unsigned int) (cur_line_id) < m_machine_start_gcode_end_line_id ||
-            m_machine_end_gcode_start_line_id != (unsigned int) (-1) && (unsigned int) (cur_line_id) > m_machine_end_gcode_start_line_id)
+        // Skip filament changes emitted inside the machine start / end gcode. One forward pass assigns
+        // the tag ids and tests them in the same loop, so inside the start gcode the end tag is unseen
+        // and the id still holds the sentinel. That is why the first clause tests == and the second !=.
+        if ((m_machine_start_gcode_end_line_id == (unsigned int) (-1) && (unsigned int) (cur_line_id) < m_machine_start_gcode_end_line_id) ||
+            (m_machine_end_gcode_start_line_id != (unsigned int) (-1) && (unsigned int) (cur_line_id) > m_machine_end_gcode_start_line_id))
             return;
         if (!m_filament_blocks.empty())
             m_filament_blocks.back().upper_gcode_id = cur_line_id;
@@ -2777,7 +2779,7 @@ bool GCodeProcessor::check_multi_extruder_gcode_valid(const int
     std::map<int, std::map<int, GCodePosInfo>> gcode_path_pos; // object_id, filament_id, pos
     for (const GCodeProcessorResult::MoveVertex &move : m_result.moves) {
         // sometimes, the start line extrude was outside the edge of plate a little, this is allowed, so do not include into the gcode_path_pos
-        if (move.type == EMoveType::Extrude /* && move.extrusion_role != ExtrusionRole::erFlush || move.type == EMoveType::Travel*/)
+        if (move.type == EMoveType::Extrude /* && move.extrusion_role != ExtrusionRole::erFlush || move.type == EMoveType::Travel*/) {
             if (move.extrusion_role == ExtrusionRole::erCustom) {
                 /*if (move.is_arc_move_with_interpolation_points()) {
                     for (int i = 0; i < move.interpolation_points.size(); i++) {
@@ -2799,6 +2801,7 @@ bool GCodeProcessor::check_multi_extruder_gcode_valid(const int
                 gcode_path_pos[move.object_label_id][int(move.extruder_id)].max_print_z = std::max(gcode_path_pos[move.object_label_id][int(move.extruder_id)].max_print_z,
                                                                                                    move.print_z);
             }
+        }
     }
 
     bool valid = true;

src/libslic3r/GCode/ToolOrderUtils.cpp

@@ -910,7 +910,7 @@ namespace Slic3r
 
         unsigned int iterations = (1 << all_extruders.size());
         unsigned int final_state = iterations - 1;
-        std::vector<std::vector<float>>cache(iterations, std::vector<float>(all_extruders.size(), 0x7fffffff));
+        std::vector<std::vector<float>>cache(iterations, std::vector<float>(all_extruders.size(), std::numeric_limits<float>::max()));
         std::vector<std::vector<int>>prev(iterations, std::vector<int>(all_extruders.size(), -1));
         cache[1][0] = 0.;
         for (unsigned int state = 0; state < iterations; ++state) {

src/libslic3r/GCode/ToolOrdering.cpp

@@ -3137,7 +3137,7 @@ void ToolOrdering::assign_custom_gcodes(const Print &print)
 		// Skip all custom G-codes above this layer and skip all extruder switches.
 		for (; custom_gcode_it != custom_gcode_per_print_z.gcodes.rend() && (
             (print_z_above > lt.print_z && custom_gcode_it->print_z > 0.5 * (lt.print_z + print_z_above))
-            || custom_gcode_it->type == CustomGCode::ToolChange); ++ custom_gcode_it);
+            || custom_gcode_it->type == CustomGCode::ToolChange); ++ custom_gcode_it) {}
         print_z_above = lt.print_z;
 		if (custom_gcode_it == custom_gcode_per_print_z.gcodes.rend())
 			// Custom G-codes were processed.

src/libslic3r/GCode/WipeTower.cpp

@@ -1630,6 +1630,94 @@ float WipeTower::get_auto_brim_by_height(float max_height) {
     return 8.f;
 }
 
+float WipeTower::estimate_brim_real_width(float brim_width, float nozzle_diameter, float first_layer_height, bool type2)
+{
+    if (brim_width <= 0.f)
+        return brim_width;
+    const float spacing = nozzle_diameter * 1.25f - first_layer_height * float(1. - M_PI_4); // Width_To_Nozzle_Ratio
+    if (spacing <= EPSILON)
+        return brim_width;
+    const int loops_num = int((brim_width + spacing / 2.f) / spacing);
+    return loops_num * spacing + (type2 ? 0.f : spacing / 2.f);
+}
+
+float WipeTower::get_wrapping_detection_depth()
+{
+    return float(wrapping_wipe_tower_depth);
+}
+
+float WipeTower::nozzle_change_perimeter_width(float nozzle_diameter)
+{
+    auto it = nozzle_diameter_to_nozzle_change_width.find(nozzle_diameter);
+    return it != nozzle_diameter_to_nozzle_change_width.end() ? it->second : 2.f * nozzle_diameter * 1.25f;
+}
+
+float WipeTower::estimate_tower_blocks_depth(const std::vector<PurgeEstimate> &purges, float width, float layer_height, float nozzle_diameter, float extra_spacing)
+{
+    if (purges.empty() || layer_height < EPSILON || nozzle_diameter < EPSILON)
+        return 0.f;
+    const float pw         = nozzle_diameter * 1.25f; // Width_To_Nozzle_Ratio
+    const float ncpw       = nozzle_change_perimeter_width(nozzle_diameter);
+    const float line_width = width - 2.f * pw;
+    if (line_width <= EPSILON)
+        return 0.f;
+    // Line cross-section as volume_to_length() sees it; the infill gap stretches the perimeter
+    // width by the configured ratio and nozzle-change lines keep their own width
+    // (calc_block_infill_gap).
+    auto        line_area   = [layer_height](float w) { return layer_height * (w - layer_height * float(1. - M_PI_4)); };
+    const float extra_width = (extra_spacing - 1.f) * pw;
+    const float gap         = pw + extra_width;
+    const float nc_gap      = ncpw + extra_width;
+    // A layer purges into at most (filaments - 1) targets, so a category holding every filament
+    // never sees its smallest purge (the layer's first filament) in its worst layer.
+    struct Block { float depth = 0.f; float min_purge = 0.f; size_t filaments = 0; };
+    std::map<int, Block> blocks;
+    for (const PurgeEstimate &purge : purges) {
+        Block      &block       = blocks[purge.category];
+        const float purge_depth = std::ceil(purge.prime_volume / line_area(pw) / line_width) * gap;
+        block.min_purge         = block.filaments == 0 ? purge_depth : std::min(block.min_purge, purge_depth);
+        block.depth += purge_depth;
+        ++block.filaments;
+        if (purge.filament_change_length > EPSILON) {
+            // The leaving filament is rammed over the nozzle-change flow, again in whole lines.
+            const float filament_area = float(M_PI) * purge.filament_diameter * purge.filament_diameter / 4.f;
+            const float nc_length     = purge.filament_change_length * filament_area / line_area(ncpw);
+            block.depth += std::ceil(nc_length / (width - ncpw - pw)) * nc_gap;
+        }
+    }
+    float depth = pw; // plan_tower_new starts the first block one perimeter width in
+    for (const auto &[category, block] : blocks)
+        depth += block.filaments == purges.size() ? block.depth - block.min_purge : block.depth;
+    return depth;
+}
+
+float WipeTower::rib_footprint_side(float width, float depth, float rib_width, float extra_rib_length, float max_height)
+{
+    if (width < EPSILON || depth < EPSILON)
+        return 0.f;
+    // Ribs run the diagonal; below the height-based minimum they are extended rather than the
+    // body, then by the extra length, never ending up shorter than the diagonal.
+    const float diagonal   = std::sqrt(width * width + depth * depth);
+    float       rib_length = diagonal;
+    if (depth + EPSILON < get_limit_depth_by_height(max_height))
+        rib_length = std::max(rib_length, get_limit_depth_by_height(max_height) * float(std::sqrt(2.)));
+    rib_length = std::max(diagonal, rib_length + extra_rib_length);
+    // Half the extension at each end of the diagonal plus half the rib width, projected onto the axes.
+    const float rib_w    = std::min(rib_width, std::min(width, depth) / 2.f);
+    const float per_side = ((rib_length - diagonal) / 2.f + rib_w / 2.f) / float(std::sqrt(2.));
+    return std::max(width, depth) + 2.f * per_side;
+}
+
+float WipeTower::estimate_rib_tower_bbox_side(const std::vector<PurgeEstimate> &purges, float width, float layer_height, float nozzle_diameter, float extra_spacing, float rib_width, float extra_rib_length, float max_height)
+{
+    if (purges.empty() || width < EPSILON || layer_height < EPSILON || nozzle_diameter < EPSILON)
+        return 0.f;
+    const float pw     = nozzle_diameter * 1.25f; // Width_To_Nozzle_Ratio
+    const float square = align_ceil(std::sqrt(estimate_tower_blocks_depth(purges, width, layer_height, nozzle_diameter, extra_spacing) * width), pw);
+    const float depth  = estimate_tower_blocks_depth(purges, square, layer_height, nozzle_diameter, extra_spacing);
+    return rib_footprint_side(square, depth, rib_width, extra_rib_length, max_height);
+}
+
 Vec2f WipeTower::move_box_inside_polygon(const BoundingBox &box, const Polygons &polygons, coord_t offset)
 {
     if (polygons.empty()) return Vec2f{0.f, 0.f};
@@ -4883,12 +4971,8 @@ void WipeTower::generate_new(std::vector<std::vector<WipeTower::ToolChangeResult
                     }
                 }
 
-                if (!has_inserted) {
-                    if (finish_block_tcr.gcode.empty())
-                        finish_block_tcr = finish_block_tcr;
-                    else
-                        finish_layer_tcr = merge_tcr(finish_layer_tcr, finish_block_tcr);
-                }
+                if (!has_inserted && !finish_block_tcr.gcode.empty())
+                    finish_layer_tcr = merge_tcr(finish_layer_tcr, finish_block_tcr);
             }
         }
         // record the contact layers of different categories

src/libslic3r/GCode/WipeTower.hpp

@@ -42,9 +42,36 @@ public:
 	static const std::map<float, float> min_depth_per_height;
     static float get_limit_depth_by_height(float max_height);
     static float get_auto_brim_by_height(float max_height);
+    // Both generators lay the brim in whole loops one line spacing apart, so the printed width
+    // differs from the configured one. WipeTower reports it with half a spacing of line width
+    // added, WipeTower2 reports the loops alone; an estimate has to round like the generator
+    // whose G-code it stands in for.
+    static float estimate_brim_real_width(float brim_width, float nozzle_diameter, float first_layer_height, bool type2);
+    // Depth a Type1 tower reserves once nothing but wrapping detection asks for one.
+    static float get_wrapping_detection_depth();
+    // Line width of the nozzle-change purge lines at this nozzle diameter.
+    static float nozzle_change_perimeter_width(float nozzle_diameter);
     static TriangleMesh                 its_make_rib_tower(float width, float depth, float height, float rib_length, float rib_width, bool fillet_wall);
     static TriangleMesh                 its_make_rib_brim(const Polygon& brim, float layer_height);
     static Polygon                      rib_section(float width, float depth, float rib_length, float rib_width, bool fillet_wall);
+    // One filament's share of a Type1 tower layer, as plan_tower_new() reserves it.
+    struct PurgeEstimate
+    {
+        float prime_volume           = 0.f;   // mm3 wiped after changing to this filament
+        int   category               = 0;     // filament_adhesiveness_category; one purge block per category
+        float filament_change_length = 0.f;   // mm of filament rammed when it leaves its nozzle; 0 when no nozzle change is planned
+        float filament_diameter      = 1.75f;
+    };
+    // Depth of the Type1 purge stack at the given width (also the rectangle-wall depth): each
+    // purge is whole lines at the block infill gap, one block per adhesiveness category sized by
+    // its worst layer, stacked behind one perimeter width.
+    static float estimate_tower_blocks_depth(const std::vector<PurgeEstimate> &purges, float width, float layer_height, float nozzle_diameter, float extra_spacing);
+    // Side of the square bounding a rib-wall tower's first layer, brim excluded: the body plus the
+    // rib bulge, with the ribs extended to the height-based minimum as both generators do.
+    static float rib_footprint_side(float width, float depth, float rib_width, float extra_rib_length, float max_height);
+    // Type1 rib tower: plan_tower_new() squares the tower from the depth at the configured width,
+    // then re-plans the depth at the squared width.
+    static float estimate_rib_tower_bbox_side(const std::vector<PurgeEstimate> &purges, float width, float layer_height, float nozzle_diameter, float extra_spacing, float rib_width, float extra_rib_length, float max_height);
     // Translation that brings a footprint inside the printable outline, padded by offset. The prime
     // tower is validated against the real outline (see layered_print_cleareance_valid), so clamping
     // against the bounding box alone would leave it off a delta or hexagonal bed. box and polygons

src/libslic3r/GCode/WipeTower2.cpp

@@ -2129,6 +2129,23 @@ std::pair<double, double> WipeTower2::get_wipe_tower_cone_base(double width, dou
     return std::make_pair(R, support_scale);
 }
 
+Polygon WipeTower2::cone_base_polygon(double width, double depth, double height, double angle_deg)
+{
+    Polygon box({Point::new_scale(Vec2d(0., 0.)), Point::new_scale(Vec2d(width, 0.)),
+                 Point::new_scale(Vec2d(width, depth)), Point::new_scale(Vec2d(0., depth))});
+    if (angle_deg <= EPSILON || height <= EPSILON || width <= EPSILON || depth <= EPSILON)
+        return box;
+    const auto [R, x_scale] = get_wipe_tower_cone_base(width, height, depth, angle_deg);
+    if (R <= EPSILON)
+        return box;
+    const Vec2d center(width / 2., depth / 2.);
+    Polygon ellipse;
+    for (double alpha = 0.; alpha < 2. * M_PI; alpha += M_PI / 20.)
+        ellipse.points.push_back(Point::new_scale(center + R * Vec2d(std::cos(alpha) / x_scale, std::sin(alpha))));
+    Polygons u = union_({box, ellipse});
+    return u.empty() ? box : u.front();
+}
+
 // Static method to extract wipe_volumes[from][to] from the configuration.
 // Takes a ConfigBase so the GUI's wipe tower size estimate can pass the plate's
 // DynamicPrintConfig directly instead of materializing a full PrintConfig per call.

src/libslic3r/GCode/WipeTower2.hpp

@@ -27,6 +27,10 @@ public:
     // in WipeTowerIntegration::append_tcr2 does not strip it.
     static const std::string wait_for_temp_tag() { return ";_WAIT_FOR_TEMP_ON_WIPE_TOWER"; }
 	static std::pair<double, double> get_wipe_tower_cone_base(double width, double height, double depth, double angle_deg);
+	// First-layer outline of a cone-wall tower in tower-local (scaled) coordinates: body box
+	// unioned with the cone's base ellipse — the model first_layer_wipe_tower_corners uses,
+	// and generate_support_cone_wall stays within it. Brim not included.
+	static Polygon cone_base_polygon(double width, double depth, double height, double angle_deg);
 	static std::vector<std::vector<float>> extract_wipe_volumes(const ConfigBase& config);
 	// Estimated total flush volume of a SEMM print with the given number of filaments,
 	// used to reserve wipe tower space before the tower is generated.

src/libslic3r/GCode/WipeTowerEstimate.cpp

@@ -0,0 +1,202 @@
+#include "WipeTowerEstimate.hpp"
+
+#include "WipeTower.hpp"
+#include "WipeTower2.hpp"
+#include "../Config.hpp"
+#include "../PrintConfig.hpp"
+#include "../libslic3r.h"
+
+#include <algorithm>
+#include <cmath>
+#include <set>
+
+namespace Slic3r {
+
+// Every caller today declares all these keys, but the signature accepts any ConfigBase: fall
+// back to the key's declared default, never to a hand-copied constant.
+static const ConfigOption *option_of(const ConfigBase &config, const char *key)
+{
+    if (const ConfigOption *opt = config.option(key); opt != nullptr)
+        return opt;
+    if (const ConfigDef *def = config.def(); def != nullptr)
+        if (const ConfigOptionDef *opt_def = def->get(key); opt_def != nullptr)
+            return opt_def->default_value.get();
+    return nullptr;
+}
+
+WipeTowerType resolve_wipe_tower_type(const ConfigBase &config)
+{
+    // printer_model is what the CLI keys its Bambu Lab detection on; the GUI's vendor flag
+    // agrees for every shipped profile.
+    if (const auto *model = dynamic_cast<const ConfigOptionString *>(config.option("printer_model"));
+        model != nullptr && model->value.compare(0, 9, "Bambu Lab") == 0)
+        return WipeTowerType::Type1;
+    // By value, not by concrete type: a static PrintConfig holds ConfigOptionEnum<T>, a
+    // DynamicConfig built from presets holds ConfigOptionEnumGeneric, and both answer getInt().
+    const ConfigOption *type = option_of(config, "wipe_tower_type");
+    return type != nullptr ? WipeTowerType(type->getInt()) : WipeTowerType::Type2;
+}
+
+Polygon estimate_wipe_tower_first_layer_outline(const ConfigBase &config, WipeTowerType tower_type, double width, double depth, double height)
+{
+    // Type1 ignores the cone option. The wall type is read by value: a preset-shaped config
+    // holds it as ConfigOptionEnumGeneric, which a cast to ConfigOptionEnum<T> cannot see.
+    const ConfigOption *wall_type  = option_of(config, "wipe_tower_wall_type");
+    const ConfigOption *cone_angle = option_of(config, "wipe_tower_cone_angle");
+    const bool          cone       = tower_type == WipeTowerType::Type2 && wall_type != nullptr &&
+                         wall_type->getInt() == int(WipeTowerWallType::wtwCone) && cone_angle != nullptr;
+    return WipeTower2::cone_base_polygon(width, depth, height, cone ? cone_angle->getFloat() : 0.);
+}
+
+WipeTowerFootprint estimate_wipe_tower_footprint(const ConfigBase &config, WipeTowerType tower_type, const std::vector<unsigned int> &filament_ids, double layer_height, double max_object_height)
+{
+    WipeTowerFootprint footprint;
+    footprint.height = max_object_height;
+    const size_t filaments_cnt = filament_ids.size();
+    if (filaments_cnt == 0 || layer_height < EPSILON)
+        return footprint;
+
+    auto opt_float = [&config](const char *key) {
+        const ConfigOption *opt = option_of(config, key);
+        return opt != nullptr ? opt->getFloat() : 0.;
+    };
+    auto opt_bool = [&config](const char *key) {
+        const ConfigOption *opt = option_of(config, key);
+        return opt != nullptr && opt->getBool();
+    };
+    auto opt_enum = [&config](const char *key, int fallback) {
+        const ConfigOption *opt = option_of(config, key);
+        return opt != nullptr ? opt->getInt() : fallback;
+    };
+    auto floats_of = [&config](const char *key) { return dynamic_cast<const ConfigOptionFloats *>(option_of(config, key)); };
+    auto max_of = [&floats_of](const char *key, double fallback) {
+        const auto *opt = floats_of(key);
+        return (opt != nullptr && !opt->values.empty()) ? *std::max_element(opt->values.begin(), opt->values.end()) : fallback;
+    };
+    auto float_at = [&floats_of](const char *key, unsigned int id, double fallback) {
+        const auto *opt = floats_of(key);
+        return (opt != nullptr && !opt->values.empty()) ? opt->get_at(id) : fallback;
+    };
+    auto int_at = [&config](const char *key, unsigned int id, int fallback) {
+        const auto *opt = dynamic_cast<const ConfigOptionInts *>(option_of(config, key));
+        return (opt != nullptr && !opt->values.empty()) ? opt->get_at(id) : fallback;
+    };
+
+    // Both planners size every layer, so the tower has to fit its thinnest one: the first layer
+    // when it is printed thinner than the rest.
+    const double first_layer_height = opt_float("initial_layer_print_height");
+    if (first_layer_height > EPSILON)
+        layer_height = std::min(layer_height, first_layer_height);
+
+    const bool   type1            = tower_type == WipeTowerType::Type1;
+    const double width            = opt_float("prime_tower_width");
+    const double prime_volume     = opt_float("prime_volume");
+    // Type1 spaces its purge lines by prime_tower_infill_gap, Type2 by wipe_tower_extra_spacing.
+    // Type2's extra flow cancels out of the depth: the line length is divided by it and the row
+    // pitch multiplied by it (WipeTower2::get_wipe_depth).
+    const double extra_spacing    = opt_float(type1 ? "prime_tower_infill_gap" : "wipe_tower_extra_spacing") / 100.;
+    const double rib_width        = opt_float("wipe_tower_rib_width");
+    const double extra_rib_length = opt_float("wipe_tower_extra_rib_length");
+    const auto  *nozzle_opt       = floats_of("nozzle_diameter");
+    const double nozzle_diameter  = (nozzle_opt != nullptr && !nozzle_opt->values.empty()) ? nozzle_opt->values.front() : 0.4;
+    const bool   dual_nozzle      = nozzle_opt != nullptr && nozzle_opt->values.size() == 2;
+    const bool   rib_wall         = opt_enum("wipe_tower_wall_type", int(WipeTowerWallType::wtwRectangle)) == int(WipeTowerWallType::wtwRib);
+    const bool   smooth_timelapse = opt_enum("timelapse_type", int(TimelapseType::tlTraditional)) == int(TimelapseType::tlSmooth);
+    const bool   wrapping         = opt_bool("enable_wrapping_detection");
+    // Reasons a tower is printed with no tool change to purge for: the ones that stop
+    // normalize_fdm_2 clearing enable_prime_tower. Its mixed-filament case is not modelled.
+    const bool   need_wipe_tower  = smooth_timelapse || wrapping;
+
+    // A tower printed for one of the reasons above has no tool change to purge for; both
+    // planners give it the idle depth below and nothing more.
+    const size_t purge_count = filaments_cnt > 1 ? (dual_nozzle ? filaments_cnt : filaments_cnt - 1) : 0;
+
+    // Type2 purges one volume per tool change. Type1 plans per filament below; here the volume
+    // only decides whether a tower exists.
+    double volume = prime_volume * double(purge_count);
+    if (dual_nozzle) {
+        // Dual-nozzle printers also purge the filament change length on the tower.
+        const double length   = max_of("filament_change_length", 0.);
+        const double diameter = max_of("filament_diameter", 1.75);
+        volume += length * PI * diameter * diameter / 4. * double(filaments_cnt / 2);
+    }
+    // Single-extruder multi-material purges the flush matrix instead of the prime volume.
+    const bool semm_flush = opt_bool("purge_in_prime_tower") && opt_bool("single_extruder_multi_material");
+    if (semm_flush)
+        volume = WipeTower2::estimate_semm_flush_volume(config, filaments_cnt);
+
+    // The Type1 planner wipes each filament's own prime volume after changing to it, in a block
+    // per adhesiveness category. On a two-nozzle printer the leaving filament is also rammed at
+    // every nozzle change; the tool order groups filaments by nozzle, so a layer crosses
+    // (nozzles used - 1) times, charged here to the longest ramming.
+    std::vector<WipeTower::PurgeEstimate> purges;
+    if (type1 && filaments_cnt > 1) {
+        const bool    saving_mode = opt_enum("prime_volume_mode", int(PrimeVolumeMode::pvmDefault)) == int(PrimeVolumeMode::pvmSaving);
+        std::set<int> nozzles;
+        size_t        longest_ramming = 0;
+        for (size_t i = 0; i < filaments_cnt; ++i) {
+            const unsigned int         id = filament_ids[i];
+            WipeTower::PurgeEstimate purge;
+            purge.prime_volume      = saving_mode ? 15.f : float(float_at("filament_prime_volume", id, prime_volume));
+            purge.category          = int_at("filament_adhesiveness_category", id, 0);
+            purge.filament_diameter = float(float_at("filament_diameter", id, 1.75));
+            purges.push_back(purge);
+            if (dual_nozzle) {
+                nozzles.insert(int_at("filament_map", id, 1));
+                if (float_at("filament_change_length", id, 0.) > float_at("filament_change_length", filament_ids[longest_ramming], 0.))
+                    longest_ramming = i;
+            }
+        }
+        if (nozzles.size() > 1)
+            purges[longest_ramming].filament_change_length = float(float_at("filament_change_length", filament_ids[longest_ramming], 0.) * double(nozzles.size() - 1));
+    }
+
+    // Both wall types decide this together: over-reserving only wastes bed area, but reporting
+    // no tower for one that is built collapses the validation hull to a point.
+    // A tool change is a reason on its own (see the base commit); Type1 already reserves
+    // per filament, Type2 has only the volume, which can resolve to zero.
+    const bool has_purge = type1 ? !purges.empty() : volume > EPSILON;
+    if (!has_purge && filaments_cnt < 2 && !need_wipe_tower)
+        return footprint;
+
+    const double min_depth      = WipeTower::get_limit_depth_by_height(float(max_object_height));
+    const float  perimeter_width = float(nozzle_diameter) * 1.25f; // Width_To_Nozzle_Ratio
+    // With nothing to purge, plan_tower_new sizes the tower for wrapping detection or the
+    // stability minimum; WipeTower2 only knows the latter.
+    const double idle_depth = (type1 && wrapping && !smooth_timelapse) ? WipeTower::get_wrapping_detection_depth() : min_depth;
+    if (rib_wall) {
+        // Both planners square the tower to the purge area and extend the ribs, not the body,
+        // below the stability minimum.
+        double side;
+        if (!purges.empty())
+            side = WipeTower::estimate_rib_tower_bbox_side(purges, float(width), float(layer_height), float(nozzle_diameter), float(extra_spacing), float(rib_width), float(extra_rib_length), float(max_object_height));
+        else {
+            const double square = has_purge ? std::sqrt(volume / layer_height * extra_spacing) : idle_depth;
+            side = WipeTower::rib_footprint_side(float(square), float(square), float(rib_width), float(extra_rib_length), float(max_object_height));
+        }
+        footprint.width = footprint.depth = side;
+    } else {
+        double depth;
+        if (type1) {
+            // plan_tower_new stretches a short purge stack to the stability minimum behind its
+            // leading perimeter width.
+            depth = purges.empty() ? idle_depth : std::max(min_depth + perimeter_width, double(WipeTower::estimate_tower_blocks_depth(purges, float(width), float(layer_height), float(nozzle_diameter), float(extra_spacing))));
+        } else {
+            depth = volume / (layer_height * width);
+            // The flush volumes already hold the spacing between wipes.
+            if (!semm_flush)
+                depth *= extra_spacing;
+            depth = std::max(min_depth, depth);
+        }
+        footprint.width = width;
+        footprint.depth = depth;
+    }
+
+    footprint.brim_width = opt_float("prime_tower_brim_width");
+    if (footprint.brim_width < 0)
+        footprint.brim_width = WipeTower::get_auto_brim_by_height(float(max_object_height));
+    footprint.brim_width = WipeTower::estimate_brim_real_width(float(footprint.brim_width), float(nozzle_diameter), float(first_layer_height > EPSILON ? first_layer_height : layer_height), !type1);
+    return footprint;
+}
+
+} // namespace Slic3r

src/libslic3r/GCode/WipeTowerEstimate.hpp

@@ -0,0 +1,47 @@
+#pragma once
+
+#include <vector>
+
+#include "../Polygon.hpp"
+
+namespace Slic3r {
+
+class ConfigBase;
+enum class WipeTowerType;
+
+// Pre-slice footprint of the wipe tower, shared by validation (Print), the GUI's placement
+// clamp/preview/arrange and the CLI placement. The arithmetic is shared; the inputs below are
+// not, so a change to how one caller derives them has to be mirrored in the others.
+struct WipeTowerFootprint
+{
+    double width      = 0.; // effective width: equals depth for a rib wall, which squares the tower
+    double depth      = 0.; // 0 when these inputs imply no tower
+    double height     = 0.; // tallest object; drives the stability floor and the auto brim
+    double brim_width = 0.; // printed width: auto (-1) resolved by height, laid in whole loops
+};
+
+// Which planner builds the tower: Bambu Lab printers always get Type1, the rest follow
+// wipe_tower_type. The rule Print::wipe_tower_type() and the CLI apply, read off the config so
+// the GUI and CLI placement can resolve it without a Print.
+WipeTowerType resolve_wipe_tower_type(const ConfigBase &config);
+
+// First-layer outline of an estimated tower in tower-local scaled coordinates, brim excluded:
+// the body box, or for a Type2 cone wall the box unioned with the cone's base. The preview,
+// the placement margin and validation all take the outline from here so they cannot disagree
+// about whether a cone exists.
+Polygon estimate_wipe_tower_first_layer_outline(const ConfigBase &config, WipeTowerType tower_type, double width, double depth, double height);
+
+// filament_ids:  0-based filaments purged on the plate. The config cannot see custom G-code tool
+//                changes, so ids derived from the model must include them
+//                (Print::extruders(true)) or a real tower is sized as if it were never built.
+// layer_height:  thinnest layer the objects are sliced at. The first layer is folded in here.
+//
+// A raft is deliberately not a reason: normalize_fdm_2 clears enable_prime_tower for a plate
+// purging one filament unless smooth timelapse or wrapping detection is on.
+WipeTowerFootprint estimate_wipe_tower_footprint(const ConfigBase                &config,
+                                                 WipeTowerType                    tower_type,
+                                                 const std::vector<unsigned int> &filament_ids,
+                                                 double                           layer_height,
+                                                 double                           max_object_height);
+
+} // namespace Slic3r

src/libslic3r/Int128.hpp

@@ -57,7 +57,7 @@
 	#define HAS_INTRINSIC_128_TYPE
 #endif
 
-#if defined(_MSC_VER) && defined(_WIN64)
+#if defined(_MSC_VER) && defined(_M_X64)
 	#include <intrin.h>
 	#pragma intrinsic(_mul128)
 #endif
@@ -125,7 +125,6 @@ public:
 /******************************************** Splitting the 128bit number into two 64bit words *********************************************/
 
 	Int128(int64_t lo = 0) : m_lo((uint64_t)lo), m_hi((lo < 0) ? -1 : 0) {}
-	Int128(const Int128 &val) : m_lo(val.m_lo), m_hi(val.m_hi) {}
 	Int128(const int64_t& hi, const uint64_t& lo) : m_lo(lo), m_hi(hi) {}
 
 	Int128& operator = (const int64_t &val)

src/libslic3r/Layer.cpp

@@ -187,6 +187,12 @@ void Layer::make_perimeters()
 {
     BOOST_LOG_TRIVIAL(trace) << "Generating perimeters for layer " << this->id();
 
+    const auto clear_generated_extrusions = [](LayerRegion *layer_region) {
+        layer_region->perimeters.clear();
+        layer_region->fills.clear();
+        layer_region->thin_fills.clear();
+    };
+
     // keep track of regions whose perimeters we have already generated
     std::vector<unsigned char> done(m_regions.size(), false);
 
@@ -217,13 +223,11 @@ void Layer::make_perimeters()
                     if (this_region.gradient_volume_id() != other_region.gradient_volume_id())
                         continue;
                     if (is_perimeter_compatible(*m_object->print(), this_region, other_region))
-		            {
-			 			other_layerm->perimeters.clear();
-			 			other_layerm->fills.clear();
-			 			other_layerm->thin_fills.clear();
-		                layerms.push_back(other_layerm);
-		                done[it - m_regions.begin()] = true;
-		            }
+                    {
+                        clear_generated_extrusions(other_layerm);
+                        layerms.push_back(other_layerm);
+                        done[it - m_regions.begin()] = true;
+                    }
 		        }
 
 	        if (layerms.size() == 1) {  // optimization
@@ -231,6 +235,10 @@ void Layer::make_perimeters()
                 (*layerm)->make_perimeters((*layerm)->slices, {*layerm}, &(*layerm)->fill_surfaces, &(*layerm)->fill_no_overlap_expolygons);
 	            (*layerm)->fill_expolygons = to_expolygons((*layerm)->fill_surfaces.surfaces);
 	        } else {
+	            // Orca: Unlike the compatible regions above, the initiating region has not
+	            // been cleared yet and may contain paths from a previous incompatible run.
+	            clear_generated_extrusions(*layerm);
+
 	            SurfaceCollection new_slices;
 	            // Use the region with highest infill rate, as the make_perimeters() function below decides on the gap fill based on the infill existence.
 	            LayerRegion *layerm_config = layerms.front();
@@ -419,6 +427,7 @@ coordf_t Layer::get_sparse_infill_max_void_area()
         double spacing = flow.scaled_spacing() * (100 - density) / density;
         switch (pattern) {
             case ipConcentric:
+            case ipSpiralInset:
             case ipRectilinear:
             case ipLine:
             case ipGyroid:

src/libslic3r/Line.cpp

@@ -30,8 +30,8 @@ bool Line::intersection_infinite(const Line &other, Point* point) const
         return false;
     double t1 = cross2(v12, v2) / denom;
     Vec2d result = (a1 + t1 * v1);
-    if (result.x() > std::numeric_limits<coord_t>::max() || result.x() < std::numeric_limits<coord_t>::lowest() ||
-        result.y() > std::numeric_limits<coord_t>::max() || result.y() < std::numeric_limits<coord_t>::lowest()) {
+    if (result.x() > double(std::numeric_limits<coord_t>::max()) || result.x() < double(std::numeric_limits<coord_t>::lowest()) ||
+        result.y() > double(std::numeric_limits<coord_t>::max()) || result.y() < double(std::numeric_limits<coord_t>::lowest())) {
         // Intersection has at least one of the coordinates much bigger (or smaller) than coord_t maximum value (or minimum).
         // So it can not be stored into the Point without integer overflows. That could mean that input lines are parallel or near parallel.
         return false;

src/libslic3r/LocalesUtils.cpp

@@ -3,6 +3,8 @@
 #ifdef _WIN32
     #include <charconv>
 #endif
+#include <iomanip>
+#include <sstream>
 #include <stdexcept>
 
 #include <fast_float/fast_float.h>

src/libslic3r/MinimumSpanningTree.cpp

@@ -60,10 +60,15 @@ auto MinimumSpanningTree::prim(std::vector<Point> vertices) const -> AdjacencyGr
         //This search is O(V) right now, which can be made down to O(log(V)). This reduces the overall time complexity from O(V*V) to O(V*log(E)).
         //However that requires an implementation of a heap that supports the decreaseKey operation, which is not in the std library.
         //TODO: Implement this?
+        // Break equal-distance ties on coordinates: the map is keyed by address, so its
+        // iteration order (and therefore the first minimum) would otherwise depend on where
+        // the vertices were allocated.
         using MapValue = std::pair<const Point*, coordf_t>;
         const auto closest = std::min_element(smallest_distance.begin(), smallest_distance.end(),
                                               [](const MapValue& a, const MapValue& b) {
-                                                  return a.second < b.second;
+                                                  if (a.second != b.second)
+                                                      return a.second < b.second;
+                                                  return *a.first < *b.first;
                                               });
 
         //Add this point to the graph and remove it from the candidates.

src/libslic3r/Model.cpp

@@ -3598,6 +3598,15 @@ void FacetsAnnotation::shift_states_above(const ModelVolume &mv, EnforcerBlocker
     this->set(selector);
 }
 
+void FacetsAnnotation::remap_states(const ModelVolume &mv, const EnforcerBlockerStateMap &state_map)
+{
+    if (empty()) return;
+    TriangleSelector selector(mv.mesh());
+    selector.deserialize(m_data, false);
+    selector.remap_triangle_state(state_map);
+    this->set(selector);
+}
+
 void FacetsAnnotation::set_enforcer_block_type_limit(const ModelVolume  &mv,
                                                      EnforcerBlockerType max_type,
                                                      EnforcerBlockerType to_delete_filament,
@@ -3862,6 +3871,43 @@ bool model_has_advanced_features(const Model &model)
     return false;
 }
 
+void remap_model_filament_slots(Model &model, const std::map<int, int> &slot_relocations)
+{
+    if (slot_relocations.empty())
+        return;
+
+    // Paint states and the object/volume "extruder" configs store one-based slot numbers
+    // (see Sidebar::on_action_add_filament's insertion remap for the same encoding).
+    std::map<int, int> one_based_slots;
+    for (const auto &[from, to] : slot_relocations)
+        one_based_slots.emplace(from + 1, to + 1);
+
+    EnforcerBlockerStateMap paint_state_map;
+    for (size_t state = 0; state < paint_state_map.size(); ++state)
+        paint_state_map[state] = EnforcerBlockerType(state);
+    for (const auto &[one_based_from, one_based_to] : one_based_slots) {
+        assert(one_based_from >= 0 && size_t(one_based_from) < paint_state_map.size());
+        assert(one_based_to > 0 && size_t(one_based_to) < paint_state_map.size());
+        paint_state_map[size_t(one_based_from)] = EnforcerBlockerType(one_based_to);
+    }
+
+    auto remap_extruder_config = [&one_based_slots](ModelConfig &config) -> bool {
+        const auto it = config.has("extruder") ? one_based_slots.find(config.extruder()) : one_based_slots.end();
+        if (it == one_based_slots.end())
+            return false;
+        config.set("extruder", it->second);
+        return true;
+    };
+
+    for (ModelObject *object : model.objects) {
+        remap_extruder_config(object->config);
+        for (ModelVolume *volume : object->volumes) {
+            remap_extruder_config(volume->config);
+            volume->mmu_segmentation_facets.remap_states(*volume, paint_state_map);
+        }
+    }
+}
+
 #ifndef NDEBUG
 // Verify whether the IDs of Model / ModelObject / ModelVolume / ModelInstance / ModelMaterial are valid and unique.
 void check_model_ids_validity(const Model &model)

src/libslic3r/Model.hpp

@@ -745,6 +745,10 @@ public:
     // Shift painted filament indices >= threshold by delta. Used when a physical filament is
     // inserted ahead of existing slots (mixed-color slots are kept at the end of the list).
     void                 shift_states_above(const ModelVolume &mv, EnforcerBlockerType threshold, int delta);
+    // Relabel painted filament indices according to state_map (old state value -> new state
+    // value; untouched states keep their identity). Used when published-3MF import relocates
+    // mixed-filament definitions onto new slot numbers.
+    void                 remap_states(const ModelVolume &mv, const EnforcerBlockerStateMap &state_map);
     indexed_triangle_set get_facets_strict(const ModelVolume& mv, EnforcerBlockerType type) const;
     bool has_facets(const ModelVolume& mv, EnforcerBlockerType type) const;
     bool empty() const { return m_data.triangles_to_split.empty(); }
@@ -1790,6 +1794,13 @@ bool model_has_multi_part_objects(const Model &model);
 // If the model has advanced features, then it cannot be processed in simple mode.
 bool model_has_advanced_features(const Model &model);
 
+// Remap the model's filament-slot references after a published-3MF import relocated
+// mixed-filament definitions onto new slot numbers: object/volume "extruder" configs and
+// multi-material color-painting states (paint state stores the one-based slot number).
+// slot_relocations maps the author's zero-based slot number to its final zero-based slot;
+// entries are applied simultaneously (no chained lookups), untouched slots keep everything.
+void remap_model_filament_slots(Model &model, const std::map<int, int> &slot_relocations);
+
 #ifndef NDEBUG
 // Verify whether the IDs of Model / ModelObject / ModelVolume / ModelInstance / ModelMaterial are valid and unique.
 void check_model_ids_validity(const Model &model);

src/libslic3r/MultiPoint.hpp

@@ -24,6 +24,7 @@ public:
     explicit MultiPoint(const Points &_points) : points(_points) {}
     MultiPoint& operator=(const MultiPoint &other) { points = other.points; return *this; }
     MultiPoint& operator=(MultiPoint &&other) { points = std::move(other.points); return *this; }
+    virtual ~MultiPoint() = default;
     void scale(double factor);
     void scale(double factor_x, double factor_y);
     void translate(double x, double y) { this->translate(Point(coord_t(x), coord_t(y))); }

src/libslic3r/ObjectID.hpp

@@ -170,6 +170,10 @@ public:
         this->m_check_sum      = rhs.check_sum();
         this->m_connectors_cnt = rhs.connectors_cnt();
     }
+    // A user-declared copy assignment or destructor deprecates the implicitly generated
+    // copy constructor, and this class has both, so declare it rather than rely on it.
+    CutObjectBase(const CutObjectBase &) = default;
+
     CutObjectBase &operator=(const CutObjectBase &other)
     {
         this->copy(other);

src/libslic3r/PerimeterGenerator.cpp

@@ -2127,7 +2127,7 @@ void PerimeterGenerator::process_no_bridge(Surfaces& all_surfaces, coord_t perim
                                 bridgeable_filtered = union_ex(offset_ex(remaining, perimeter_spacing), bridgeable_filtered);
                                 bridgeable_filtered = offset_ex(bridgeable_filtered, -perimeter_spacing);
                                 bridgeable_filtered = diff_ex(bridgeable_filtered, remaining, ApplySafetyOffset::Yes);
-                                bridgeable_filtered = opening_ex(bridgeable_filtered, perimeter_spacing); // filter noise from the diff_ex
+                                bridgeable_filtered = opening_ex(bridgeable_filtered, ext_perimeter_width / 2); // filter noise from the diff_ex
                                 bridgeable_filtered = offset_ex(bridgeable_filtered, perimeter_spacing);  // restore the size to the original bridgeable area
                                 // Safety measure: Keep the bridge mask from intruding deeper into the
                                 // supported anchor region than the explicit anchor overlap.

src/libslic3r/Preset.cpp

@@ -545,7 +545,7 @@ std::string generate_preset_setting_id(const std::string& vendor, const std::str
         return "";
 
     // Dedicated namespace for preset setting_ids, distinct from the cloud per-user
-    // namespace (OrcaCloudServiceAgent). Keep in sync with scripts/assign_vendor_setting_ids.py;
+    // namespace (OrcaCloudServiceAgent). Keep in sync with scripts/orca_id_tool.py;
     // never change this constant.
     static const boost::uuids::uuid vendor_namespace =
         boost::uuids::string_generator()("c1f4d9e2-7a3b-5c8d-9e0f-1a2b3c4d5e6f");
@@ -867,6 +867,20 @@ bool is_compatible_with_printer(const PresetWithVendorProfile &preset, const Pre
     return is_compatible_with_printer(preset, active_printer, &config);
 }
 
+// ORCA: see the header. The CLI resolves --load-settings into bare DynamicPrintConfigs and has no
+// Preset objects to hand; without this it would have to reimplement the policy or build the shells
+// at every call site.
+bool is_compatible_with_printer(const DynamicPrintConfig &preset_config, Preset::Type preset_type,
+                                const DynamicPrintConfig &printer_config, const std::string &printer_name)
+{
+    Preset preset(preset_type, std::string("__compat_check"));
+    preset.config = preset_config;
+    Preset printer(Preset::TYPE_PRINTER, printer_name);
+    printer.config = printer_config;
+    return is_compatible_with_printer(PresetWithVendorProfile(preset, nullptr),
+                                      PresetWithVendorProfile(printer, nullptr));
+}
+
 void Preset::set_visible_from_appconfig(const AppConfig &app_config)
 {
     //BBS: add config related log
@@ -1653,7 +1667,7 @@ std::string PresetCollection::canonical_preset_name(const std::string &name, con
 void PresetCollection::load_presets(
     const std::string &dir_path, const std::string &subdir,
     PresetsConfigSubstitutions& substitutions, ForwardCompatibilitySubstitutionRule substitution_rule,
-    std::function<void(Preset&)> preset_loaded_fn, const PresetOrigin &load_origin)
+    std::function<void(Preset&)> preset_loaded_fn, const PresetOrigin &load_origin, bool read_only)
 {
     // Don't use boost::filesystem::canonical() on Windows, it is broken in regard to reparse points,
     // see https://github.com/prusa3d/PrusaSlicer/issues/732
@@ -1662,7 +1676,7 @@ void PresetCollection::load_presets(
 
     // Load custom roots first
     if (fs::exists(dir / "base")) {
-        load_presets(dir.string(), "base", substitutions, substitution_rule, nullptr, resolved_origin);
+        load_presets(dir.string(), "base", substitutions, substitution_rule, nullptr, resolved_origin, read_only);
     }
 
     //BBS: add config related logs
@@ -1670,7 +1684,8 @@ void PresetCollection::load_presets(
     //BBS do not parse folder if not exists
     m_dir_path = dir.string();
     if (!fs::exists(dir)) {
-        fs::create_directory(dir);
+        if (!read_only)
+            fs::create_directory(dir);
         return;
     }
 
@@ -1720,10 +1735,10 @@ void PresetCollection::load_presets(
                         substitutions.push_back({ preset.name, m_type, PresetConfigSubstitutions::Source::UserFile, preset.file, std::move(config_substitutions) });
                     if (!reason.empty()) {
                         fs::path file_path(preset.file);
-                        if (fs::exists(file_path))
+                        if (!read_only && fs::exists(file_path))
                             fs::remove(file_path);
                         file_path.replace_extension(".info");
-                        if (fs::exists(file_path))
+                        if (!read_only && fs::exists(file_path))
                             fs::remove(file_path);
                         BOOST_LOG_TRIVIAL(error) << boost::format("parse config %1% failed")%preset.file;
                         ++m_errors;
@@ -1794,7 +1809,8 @@ void PresetCollection::load_presets(
                             size_t at_pos = name.find('@');
                             if (at_pos != std::string::npos && at_pos + 1 < name.length()) {
                                 compatible_printers->values.push_back(name.substr(at_pos + 1));
-                                preset.save(nullptr);
+                                if (!read_only)
+                                    preset.save(nullptr);
                                 BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << " added compatible_printers for preset: " << name;
                             }
                         }
@@ -1812,10 +1828,10 @@ void PresetCollection::load_presets(
                     ++m_errors;
                     BOOST_LOG_TRIVIAL(error) << boost::format("The user-config cannot be loaded: %1%. Reason: %2%")%preset.file %err.what();
                     fs::path file_path(preset.file);
-                    if (fs::exists(file_path))
+                    if (!read_only && fs::exists(file_path))
                         fs::remove(file_path);
                     file_path.replace_extension(".info");
-                    if (fs::exists(file_path))
+                    if (!read_only && fs::exists(file_path))
                         fs::remove(file_path);
                     //throw Slic3r::RuntimeError(std::string("The selected preset cannot be loaded: ") + preset.file + "\n\tReason: " + err.what());
                 } catch (const std::runtime_error &err) {
@@ -1823,10 +1839,10 @@ void PresetCollection::load_presets(
                     BOOST_LOG_TRIVIAL(error) << boost::format("Failed loading the user-config file: %1%. Reason: %2%")%preset.file %err.what();
                     //throw Slic3r::RuntimeError(std::string("Failed loading the preset file: ") + preset.file + "\n\tReason: " + err.what());
                     fs::path file_path(preset.file);
-                    if (fs::exists(file_path))
+                    if (!read_only && fs::exists(file_path))
                         fs::remove(file_path);
                     file_path.replace_extension(".info");
-                    if (fs::exists(file_path))
+                    if (!read_only && fs::exists(file_path))
                         fs::remove(file_path);
                 }
 
@@ -3060,6 +3076,75 @@ void PresetCollection::save_current_preset(const std::string &new_name, bool det
         this->get_selected_preset().save(nullptr);
 }
 
+// A detached standalone preset for the Full Publish receiver: create a user preset holding
+// the full resolved filament config (no inheritance, no vendor/alias links), parentless.
+// Note: universal printer compatibility is not enforced here - callers apply
+// make_publish_universal() to the config before handing it over when they need it.
+// Mirrors save_current_preset(detach=true)'s creation branch but does not force-select or
+// diff against a parent; the caller decides whether to select it.
+// The published entry's filament_id is forwarded so user bases keep their stable
+// material grouping (get_filament_presets() groups user bases by filament_id).
+// The copy is a project-embedded preset: it lives inside the loaded project only
+// (serialized into the saved .3mf, restored by load_project_embedded_presets) and
+// never touches the user's library directory; Preset::save() early-returns for
+// embedded presets, so persistence is skipped here too.
+// Returns the final (uniquified) name; on collision "<base>" -> "<base> (Published)" ->
+// "<base> (Published 2)" ...
+std::string PresetCollection::add_detached_preset(const std::string &name_base, DynamicPrintConfig config,
+                                                  const std::string &filament_id)
+{
+    if (name_base.empty())
+        return std::string();
+    Preset stored(m_type, name_base);
+    stored.config = std::move(config);
+    stored.filament_id = filament_id;
+
+    // Uniquify verbatim; only on collision append " (Published)" then " (Published 2)".
+    const std::string base_name = name_base;
+    std::string       final_name = base_name;
+    auto exists = [this](const std::string &candidate) -> bool {
+        const auto it = this->find_preset_internal(candidate);
+        return it != m_presets.end() && it->name == candidate;
+    };
+    if (exists(final_name)) {
+        final_name = base_name + " (Published)";
+        for (int i = 2; exists(final_name); ++i)
+            final_name = base_name + " (Published " + std::to_string(i) + ")";
+    }
+
+    // Creation branch of save_current_preset(detach=true), without its selection side
+    // effects or project-embedded path.
+    lock();
+    const auto it = this->find_preset_internal(final_name);
+    if (m_presets.begin() + m_idx_selected >= it)
+        ++m_idx_selected;
+    Preset &preset = *m_presets.insert(it, stored);
+    preset.name = final_name;
+    preset.vendor = nullptr;
+    preset.alias.clear();
+    preset.renamed_from.clear();
+    preset.m_excluded_from.clear();
+    preset.setting_id.clear();
+    preset.inherits().clear();
+    preset.version = Semver::parse(SoftFever_VERSION).value_or(Semver());
+    preset.is_default  = false;
+    preset.is_system   = false;
+    preset.is_external = false;
+    preset.bundle_id.clear();
+    preset.file                = this->path_for_preset(preset);
+    preset.is_visible          = true;
+    preset.is_project_embedded = true;
+    if (m_type == Preset::TYPE_PRINT)
+        preset.config.option<ConfigOptionString>("print_settings_id", true)->value = final_name;
+    else if (m_type == Preset::TYPE_FILAMENT)
+        preset.config.option<ConfigOptionStrings>("filament_settings_id", true)->values[0] = final_name;
+    else if (m_type == Preset::TYPE_PRINTER)
+        preset.config.option<ConfigOptionString>("printer_settings_id", true)->value = final_name;
+    unlock();
+
+    return final_name;
+}
+
 bool PresetCollection::delete_current_preset()
 {
     Preset &selected = this->get_selected_preset();

src/libslic3r/Preset.hpp

@@ -93,8 +93,8 @@ class PresetBundle;
 
 // Deterministic preset setting_id: uuid5(vendor/type/name) -> 16 base62 chars.
 // Pure function of a system preset's identity, so the value can be assigned by
-// scripts/assign_vendor_setting_ids.py and recomputed here when a profile ships
-// without it. MUST stay byte-identical to scripts/assign_vendor_setting_ids.py.
+// scripts/orca_id_tool.py and recomputed here when a profile ships without it.
+// MUST stay byte-identical to scripts/orca_id_tool.py.
 // This is NOT the per-user cloud-sync setting_id
 // (OrcaCloudServiceAgent::generate_uuid_for_setting_id) - do not conflate them.
 std::string generate_preset_setting_id(const std::string& vendor,
@@ -459,6 +459,11 @@ protected:
 bool is_compatible_with_print  (const PresetWithVendorProfile &preset, const PresetWithVendorProfile &active_print, const PresetWithVendorProfile &active_printer);
 bool is_compatible_with_printer(const PresetWithVendorProfile &preset, const PresetWithVendorProfile &active_printer, const DynamicPrintConfig *extra_config);
 bool is_compatible_with_printer(const PresetWithVendorProfile &preset, const PresetWithVendorProfile &active_printer);
+// ORCA: same check for callers that hold raw configs rather than Presets (the CLI). Wraps them in
+// throwaway Preset shells and delegates, so the compatibility policy -- including the fail-open on a
+// malformed compatible_printers_condition -- lives in one place for the GUI and the CLI alike.
+bool is_compatible_with_printer(const DynamicPrintConfig &preset_config, Preset::Type preset_type,
+                                const DynamicPrintConfig &printer_config, const std::string &printer_name);
 
 // Where a preset is being loaded from. `Auto` lets load_presets() infer from the directory path.
 struct PresetOrigin {
@@ -558,7 +563,7 @@ public:
     void            add_default_preset(const std::vector<std::string> &keys, const Slic3r::StaticPrintConfig &defaults, const std::string &preset_name);
 
     // Load ini files of the particular type from the provided directory path.
-    void            load_presets(const std::string &dir_path, const std::string &subdir, PresetsConfigSubstitutions& substitutions, ForwardCompatibilitySubstitutionRule rule, std::function<void(Preset&)> preset_loaded_fn = nullptr, const PresetOrigin &load_origin = PresetOrigin());
+    void            load_presets(const std::string &dir_path, const std::string &subdir, PresetsConfigSubstitutions& substitutions, ForwardCompatibilitySubstitutionRule rule, std::function<void(Preset&)> preset_loaded_fn = nullptr, const PresetOrigin &load_origin = PresetOrigin(), bool read_only = false);
 
     //BBS: update user presets directory
     void            update_user_presets_directory(const std::string& dir_path, const std::string& type);
@@ -631,6 +636,22 @@ public:
     // All presets are marked as not modified and the new preset is activated.
     //BBS: add project embedded preset logic
     void            save_current_preset(const std::string &new_name, bool detach = false, bool save_to_project = false, Preset* _curr_preset = nullptr);
+    // Insert a standalone user preset holding the full resolved config (no inheritance,
+    // no vendor links): the libslic3r equivalent of "Detach from parent". Takes a
+    // resolved config, clears parent/vendor/alias metadata, stamps filament_settings_id.
+    // Unlike save_current_preset it does not force-select or diff against a parent.
+    // Used by the published-3MF Full Publish path. The optional filament_id seeds the
+    // preset's stable material grouping (get_filament_presets groups user bases by
+    // filament_id); the published entry's filament_id is forwarded so the copy keeps
+    // the author's grouping.
+    // The copy is a project-embedded preset ("Preset Inside Project"): it lives inside
+    // the loaded project only, is serialized into the saved .3mf via
+    // get_current_project_embedded_presets(), and is never written to the user's
+    // library directory.
+    // Returns the final (uniquified) name; on collision the suffix rule is:
+    // "<base>" -> "<base> (Published)" -> "<base> (Published 2)" ...
+    std::string     add_detached_preset(const std::string &name_base, DynamicPrintConfig config,
+                                        const std::string &filament_id = std::string());
 
     // Delete the current preset, activate the first visible preset.
     // returns true if the preset was deleted successfully.

src/libslic3r/PresetBundle.hpp

@@ -4,9 +4,11 @@
 #include "Preset.hpp"
 #include "PresetCacheFormat.hpp"
 #include "AppConfig.hpp"
+#include "PublishSettings.hpp"
 #include "enum_bitmask.hpp"
 
 #include <memory>
+#include <map>
 #include <set>
 #include <shared_mutex>
 #include <unordered_map>
@@ -168,6 +170,30 @@ struct PresetBundleMetadata
     }
 };
 
+// A "published" 3MF project: keeps the user's currently-selected presets and overlays only the
+// author-selected published keys onto the edited presets.
+struct PublishedConfig
+{
+    bool                        published = false;
+    std::vector<std::string>    published_keys;
+    // Per-slot published material keys, applied positionally (author slot N -> receiver slot N).
+    // Partial entries are gated by the author's optional type requirement and written onto the
+    // slot's stored preset in place; full entries instead detach (see PublishedMaterialEntry in
+    // PublishSettings.hpp).
+    std::vector<PublishedMaterialEntry> material_keys;
+    // Keys that could not be applied (missing on the user's machine or vector size mismatch),
+    // filled in by load_config_file_config for notification purposes.
+    std::vector<std::string>    skipped_keys;
+    // Human-readable notices of the slot material replacements performed while loading a
+    // published project, for the load notification.
+    std::vector<std::string>    material_replacements;
+    // Mixed-filament entries that had to be moved off their authored slot on load (a real,
+    // physical filament occupied it): maps the author's zero-based slot number to its final
+    // zero-based slot. Consumers (e.g. model extruder/color-painting remapping) use this to
+    // keep geometry references pointing at the relocated definitions.
+    std::map<int, int>          mixed_slot_relocations;
+};
+
 // Bundle of Print + Filament + Printer presets.
 class PresetBundle
 {
@@ -230,7 +256,22 @@ public:
     // Load selections (current print, current filaments, current printer) from config.ini
     // select preferred presets, if any exist
     PresetsConfigSubstitutions load_presets(AppConfig &config, ForwardCompatibilitySubstitutionRule rule,
-                                            const PresetPreferences& preferred_selection = PresetPreferences());
+                                            const PresetPreferences& preferred_selection = PresetPreferences(),
+                                            std::string *errors = nullptr, bool read_only = false);
+
+    // Resolve an explicitly named source file through a canonical flattened
+    // preset. Exact loaded-file identity is preferred; otherwise a manifest-
+    // backed vendor tree is loaded from that source root without using caches.
+    bool resolve_preset_config(DynamicPrintConfig &config, Preset::Type type,
+                               const std::string &source_file,
+                               ForwardCompatibilitySubstitutionRule compatibility_rule,
+                               std::string &error, bool allow_source_manifest = true);
+    // Resolve a source file whose JSON omits `type`. Succeeds only when exactly
+    // one FFF preset collection owns the file and returns that collection's type.
+    bool resolve_preset_config_type(DynamicPrintConfig &config, Preset::Type &type,
+                                    const std::string &source_file,
+                                    ForwardCompatibilitySubstitutionRule compatibility_rule,
+                                    std::string &error, bool allow_source_manifest = true);
 
     // Load selections (current print, current filaments, current printer) from config.ini
     // This is done just once on application start up.
@@ -238,7 +279,7 @@ public:
     void     load_selections(AppConfig &config, const PresetPreferences& preferred_selection = PresetPreferences());
 
     // BBS Load user presets
-    PresetsConfigSubstitutions load_user_presets(std::string user, ForwardCompatibilitySubstitutionRule rule);
+    PresetsConfigSubstitutions load_user_presets(std::string user, ForwardCompatibilitySubstitutionRule rule, bool read_only = false);
     PresetsConfigSubstitutions load_user_presets(AppConfig &config, std::map<std::string, std::map<std::string, std::string>>& my_presets, ForwardCompatibilitySubstitutionRule rule);
     // Orca: Import subscribed bundle presets (load and save to disk in one operation), handles one bundle at a time
     PresetsConfigSubstitutions update_subscribed_presets(AppConfig& config,
@@ -350,6 +391,13 @@ public:
     std::vector<std::vector<DynamicPrintConfig>> get_extruder_filament_info() const;
 
     std::set<std::string> get_printer_names_by_printer_type_and_nozzle(const std::string &printer_type, std::string nozzle_diameter_str, bool system_only = true);
+    // Orca: the root filament presets a connected machine can use, resolved with the rule the rest
+    // of the app applies (is_compatible_with_printer): an empty compatible_printers means every
+    // printer, minus the alias shadowing exclusions the Orca Filament Library records in
+    // Preset::m_excluded_from.
+    std::vector<Preset *> get_filament_presets_for_machine(const std::string &printer_type,
+                                                           const std::string &nozzle_diameter_str,
+                                                           bool               include_user_presets);
     bool                  check_filament_temp_equation_by_printer_type_and_nozzle_for_mas_tray(const std::string &printer_type,
                                                                                                std::string &      nozzle_diameter_str,
                                                                                                std::string &      setting_id,
@@ -442,8 +490,8 @@ public:
 
     // Load configuration that comes from a model file containing configuration, such as 3MF et al.
     // This method is called by the Plater.
-    void                        load_config_model(const std::string &name, DynamicPrintConfig config, Semver file_version = Semver())
-        { this->load_config_file_config(name, true, std::move(config), file_version); }
+    void                        load_config_model(const std::string &name, DynamicPrintConfig config, Semver file_version = Semver(), PublishedConfig *published_config = nullptr)
+        { this->load_config_file_config(name, true, std::move(config), file_version, false, published_config); }
 
     // Load an external config file containing the print, filament and printer presets.
     // Instead of a config file, a G-code may be loaded containing the full set of parameters.
@@ -474,10 +522,13 @@ public:
     //Orca: load config bundle from json, pass the base bundle to support cross vendor inheritance
     // Orca: `dir` is where the vendor is looked for — its own directory, whether or
     // not the profile JSONs are still there. A whole-vendor load comes from the
-    // vendor's preset cache whenever one covers the profile on disk, and is parsed
-    // from the JSONs in `dir` only when none does. Nothing here reads resources.
+    // vendor's preset cache whenever one covers the profile on disk and allow_cache
+    // is true, and is parsed from the JSONs in `dir` otherwise. Nothing here reads
+    // resources implicitly.
     std::pair<PresetsConfigSubstitutions, size_t> load_vendor_configs_from_json(
-        const std::string &dir, const std::string &vendor_name, LoadConfigBundleAttributes flags, ForwardCompatibilitySubstitutionRule compatibility_rule, const PresetBundle* base_bundle = nullptr);
+        const std::string &dir, const std::string &vendor_name, LoadConfigBundleAttributes flags,
+        ForwardCompatibilitySubstitutionRule compatibility_rule, const PresetBundle* base_bundle = nullptr,
+        bool allow_cache = true);
 
     // Export a config bundle file containing all the presets and the names of the active presets.
     //void                        export_configbundle(const std::string &path, bool export_system_settings = false, bool export_physical_printers = false);
@@ -599,6 +650,7 @@ private:
 
     // Whether to (re)write a per-vendor cache after a JSON parse.
     bool m_generate_vendor_caches { false };
+    bool m_preserve_vendor_source_paths { false };
 
     // Orca: validation only - flag any printer with two or more compatible
     // filament presets sharing one filament_id (ambiguous AMS subtype match).
@@ -606,7 +658,7 @@ private:
 
     //std::pair<PresetsConfigSubstitutions, std::string> load_system_presets(ForwardCompatibilitySubstitutionRule compatibility_rule);
     //BBS: add json related logic
-    std::pair<PresetsConfigSubstitutions, std::string> load_system_presets_from_json(ForwardCompatibilitySubstitutionRule compatibility_rule);
+    std::pair<PresetsConfigSubstitutions, std::string> load_system_presets_from_json(ForwardCompatibilitySubstitutionRule compatibility_rule, bool allow_cache = true);
     // Update the multicolor information for filaments.
     void update_filament_multi_color();
     // Update renamed_from and alias maps of system profiles.
@@ -620,7 +672,7 @@ private:
     // Load print, filament & printer presets from a config. If it is an external config, then the name is extracted from the external path.
     // and the external config is just referenced, not stored into user profile directory.
     // If it is not an external config, then the config will be stored into the user profile directory.
-    void                        load_config_file_config(const std::string &name_or_path, bool is_external, DynamicPrintConfig &&config, Semver file_version = Semver(), bool selected = false);
+    void                        load_config_file_config(const std::string &name_or_path, bool is_external, DynamicPrintConfig &&config, Semver file_version = Semver(), bool selected = false, PublishedConfig *published_config = nullptr);
     /*ConfigSubstitutions         load_config_file_config_bundle(
         const std::string &path, const boost::property_tree::ptree &tree, ForwardCompatibilitySubstitutionRule compatibility_rule);*/
 

src/libslic3r/Print.cpp

@@ -1,3 +1,8 @@
+#ifdef _WIN32
+// Keep this first. A header below reaches boost/regex, whose w32_regex_traits
+// needs the Win32 types declared already.
+#include <Windows.h>
+#endif
 #include "Config.hpp"
 #include "Exception.hpp"
 #include "Print.hpp"
@@ -15,6 +20,7 @@
 #include "GCode.hpp"
 #include "GCode/WipeTower.hpp"
 #include "GCode/WipeTower2.hpp"
+#include "GCode/WipeTowerEstimate.hpp"
 #include "Utils.hpp"
 #include "PrintConfig.hpp"
 #include "MaterialType.hpp"
@@ -1026,20 +1032,21 @@ static StringObjectException layered_print_cleareance_valid(const Print &print,
 
     //BBS: add the wipe tower check logic
     const PrintConfig &       config   = print.config();
-    int                 filaments_count = print.extruders().size();
+    // Custom G-code tool changes (MultiAsSingle) build a real tower on a plate whose objects
+    // all use one filament, so they have to be counted or the hull below collapses to a point.
+    int                 filaments_count = print.extruders(true).size();
     int                 plate_index = print.get_plate_index();
     const Vec3d         plate_origin = print.get_plate_origin();
     float               x            = config.wipe_tower_x.get_at(plate_index) + plate_origin(0);
     float               y            = config.wipe_tower_y.get_at(plate_index) + plate_origin(1);
-    float               width        = config.prime_tower_width.value;
     float               a            = config.wipe_tower_rotation_angle.value;
     //float               v            = config.wiping_volume.value;
 
-    float        depth                     = print.wipe_tower_data(filaments_count).depth;
-    //float        brim_width                = print.wipe_tower_data(filaments_count).brim_width;
-
-    if (config.wipe_tower_wall_type.value == WipeTowerWallType::wtwRib)
-        width = depth;
+    // The estimate resolves the effective width (a rib wall squares the tower).
+    const WipeTowerData &wipe_tower_estimate = print.wipe_tower_data(filaments_count);
+    float                width               = wipe_tower_estimate.width;
+    float                depth               = wipe_tower_estimate.depth;
+    float                brim_width          = wipe_tower_estimate.brim_width;
 
     Polygons convex_hulls_temp;
     if (print.has_wipe_tower()) {
@@ -1061,36 +1068,54 @@ static StringObjectException layered_print_cleareance_valid(const Print &print,
             convex_hulls_temp.push_back(wipe_tower_polygon);
         }
     }
+    // Post-generation the mesh bottom already carries the brim. Pre-generation the body grows
+    // by the brim only when its width is explicit; the auto brim and a Type2 cone base depend on
+    // the tower height, exact only once generated, so they only warn here - the exact footprint
+    // is re-checked in _make_wipe_tower.
+    const bool exact_footprint     = print.is_step_done(psWipeTower);
+    Polygons   tower_polys_checked = (!exact_footprint && config.prime_tower_brim_width.value >= 0) ?
+                                         offset(convex_hulls_temp, float(scale_(brim_width))) :
+                                         convex_hulls_temp;
+    Polygons tower_polys_estimated;
+    if (!exact_footprint && !convex_hulls_temp.empty()) {
+        double max_height = 0.;
+        for (const PrintObject *object : print.objects())
+            max_height = std::max(max_height, unscale_(object->size().z()));
+        Polygon base = estimate_wipe_tower_first_layer_outline(config, print.wipe_tower_type(), width, depth, max_height);
+        base.rotate(Geometry::deg2rad(a));
+        base.translate(Point(scale_(x), scale_(y)));
+        tower_polys_estimated = offset(base, float(scale_(brim_width)));
+    }
+    // Object proximity stays a body-only warning: brim near-misses would newly warn on
+    // many setups that print fine.
     if (!intersection(convex_hulls_other, convex_hulls_temp).empty()) {
         if (warning) {
             warning->string += L("Prime Tower") + L(" is too close to others, and collisions may be caused.\n");
         }
     }
-    if (!intersection(exclude_polys, convex_hulls_temp).empty()) {
-        /*if (warning) {
-            warning->string += L("Prime Tower is too close to exclusion area, there may be collisions when printing.\n");
-        }*/
+    if (!intersection(exclude_polys, tower_polys_checked).empty()) {
         return {L("Prime Tower") + L(" is too close to an exclusion area, and collisions will be caused.\n")};
     }
-    if (print_config.enable_wrapping_detection.value && !intersection({wrapping_poly}, convex_hulls_temp).empty()) {
+    if (print_config.enable_wrapping_detection.value && !intersection({wrapping_poly}, tower_polys_checked).empty()) {
         return {L("Prime Tower") + L(" is too close to clumping detection area, and collisions will be caused.\n")};
     }
-    // Skip the containment check for towers that will never be printed (single-filament
-    // prints without smooth timelapse keep the config's tower position but emit nothing).
-    // Pre-generation only the body square is tested — the auto-brim estimate can overshoot
-    // the generated brim by several mm and must not hard-fail a print that physically fits.
-    // Post-generation the mesh bottom already includes the real brim, so the exact
-    // footprint is tested.
-    if (filaments_count > 1 || print.enable_timelapse_print()) {
-        // The shared printable polygon is plate-local, while the tower polygons above are
-        // already shifted by the plate origin.
-        Polygons    printable_polys = print.get_extruder_shared_printable_polygon();
-        const Point plate_shift(scale_(plate_origin.x()), scale_(plate_origin.y()));
-        for (Polygon &p : printable_polys)
-            p.translate(plate_shift);
-        if (!diff(convex_hulls_temp, printable_polys).empty())
-            return {L("Prime Tower") + L(" is partially outside the printable area, and it cannot be printed.\n")};
+    if (warning && !intersection(exclude_polys, tower_polys_estimated).empty()) {
+        warning->string += L("Prime Tower") + L(" is too close to exclusion area, there may be collisions when printing.") + "\n";
     }
+    if (warning && print_config.enable_wrapping_detection.value && !intersection({wrapping_poly}, tower_polys_estimated).empty()) {
+        warning->string += L("Prime Tower") + L(" is too close to clumping detection area, there may be collisions when printing.") + "\n";
+    }
+    // No gate on "is there a tower": one that is not printed estimates to zero, so the hulls
+    // are degenerate and every check passes. Re-deriving it here missed the wrapping-detection
+    // tower on a single-filament plate.
+    Polygons    printable_polys = print.get_extruder_shared_printable_polygon();
+    const Point plate_shift(scale_(plate_origin.x()), scale_(plate_origin.y()));
+    for (Polygon &p : printable_polys)
+        p.translate(plate_shift);
+    if (!diff(tower_polys_checked, printable_polys).empty())
+        return {L("Prime Tower") + L(" is partially outside the printable area, and it cannot be printed.\n")};
+    if (warning && !diff(tower_polys_estimated, printable_polys).empty())
+        warning->string += L("Prime Tower") + L(" is partially outside the printable area, and it cannot be printed.\n");
     return {};
 }
 
@@ -3992,74 +4017,25 @@ bool Print::has_wipe_tower() const
 
 const WipeTowerData &Print::wipe_tower_data(size_t filaments_cnt) const
 {
-    // If the wipe tower wasn't created yet, make sure the depth and brim_width members are set to default.
-    double max_height = 0;
-    for (size_t obj_idx = 0; obj_idx < m_objects.size(); obj_idx++) {
-        double object_z = (double) m_objects[obj_idx]->size().z();
-        max_height      = std::max(unscale_(object_z), max_height);
+    // Until the tower is generated, size it with the estimate the GUI/CLI placement uses, so
+    // validation cannot reject a position the clamp just accepted.
+    if (is_step_done(psWipeTower) || filaments_cnt == 0)
+        return m_wipe_tower_data;
+
+    double max_height   = 0.;
+    double layer_height = std::numeric_limits<double>::max();
+    for (const PrintObject *object : m_objects) {
+        max_height   = std::max(max_height, unscale_(double(object->size().z())));
+        layer_height = std::min(layer_height, object->config().layer_height.value);
     }
-    if (max_height < EPSILON) return m_wipe_tower_data;
+    if (max_height < EPSILON)
+        return m_wipe_tower_data;
 
-    double layer_height                  = 0.08f; // hard code layer height
-    layer_height        = m_objects.front()->config().layer_height.value;
-
-    auto   timelapse_type  = config().option<ConfigOptionEnum<TimelapseType>>("timelapse_type");
-    bool   need_wipe_tower = (timelapse_type ? (timelapse_type->value == TimelapseType::tlSmooth) : false) | (m_config.wipe_tower_wall_type.value == WipeTowerWallType::wtwRib);
-    double extra_spacing = config().option("prime_tower_infill_gap")->getFloat() / 100.;
-    double rib_width     = config().option("wipe_tower_rib_width")->getFloat();
-
-    double filament_change_volume = 0.;
-    {
-        std::vector<double> filament_change_lengths;
-        auto                filament_change_lengths_opt = config().option<ConfigOptionFloats>("filament_change_length");
-        if (filament_change_lengths_opt) filament_change_lengths = filament_change_lengths_opt->values;
-        double              length   = filament_change_lengths.empty() ? 0 : *std::max_element(filament_change_lengths.begin(), filament_change_lengths.end());
-        double              diameter = 1.75;
-        std::vector<double> diameters;
-        auto                filament_diameter_opt = config().option<ConfigOptionFloats>("filament_diameter");
-        if (filament_diameter_opt) diameters = filament_diameter_opt->values;
-        diameter               = diameters.empty() ? diameter : *std::max_element(diameters.begin(), diameters.end());
-        filament_change_volume = length * PI * diameter * diameter / 4.;
-    }
-
-
-    if (! is_step_done(psWipeTower) && filaments_cnt !=0) {
-        double wipe_volume  = m_config.prime_volume;
-        int filament_depth_count = m_config.nozzle_diameter.values.size() == 2 ? filaments_cnt : filaments_cnt - 1;
-        if (filaments_cnt == 1 && enable_timelapse_print()) filament_depth_count = 1;
-        double volume = wipe_volume * filament_depth_count;
-        if (m_config.nozzle_diameter.values.size() == 2) volume += filament_change_volume * (int) (filaments_cnt / 2);
-
-        // Sizing should take into account currently set wiping volumes.
-        // For a long time, the initial preview would just use 900/width per toolchange (15mm on a 60mm wide tower)
-        // and it worked well enough. Let's try to do slightly better by accounting for the purging volumes.
-        const bool semm_flush = m_config.purge_in_prime_tower && m_config.single_extruder_multi_material;
-        if (semm_flush) volume = WipeTower2::estimate_semm_flush_volume(m_config, filaments_cnt);
-
-        if (m_config.wipe_tower_wall_type.value == WipeTowerWallType::wtwRib) {
-            double depth = std::sqrt(volume / layer_height * extra_spacing);
-            if (need_wipe_tower || filaments_cnt > 1) {
-                float min_wipe_tower_depth = WipeTower::get_limit_depth_by_height(max_height);
-                depth  = std::max((double) min_wipe_tower_depth, depth);
-                depth += rib_width / std::sqrt(2) + config().wipe_tower_extra_rib_length.value;
-                const_cast<Print *>(this)->m_wipe_tower_data.depth = depth;
-                const_cast<Print *>(this)->m_wipe_tower_data.brim_width = m_config.prime_tower_brim_width;
-            }
-        }
-        else {
-            double width = m_config.prime_tower_width;
-            double depth = volume / (layer_height * width);
-            // The flush volumes already hold the spacing between wipes.
-            if (!semm_flush) depth *= extra_spacing;
-            if (need_wipe_tower || depth > EPSILON) {
-                float min_wipe_tower_depth = WipeTower::get_limit_depth_by_height(max_height);
-                depth = std::max((double) min_wipe_tower_depth, depth);
-            }
-            const_cast<Print *>(this)->m_wipe_tower_data.depth = depth;
-            const_cast<Print *>(this)->m_wipe_tower_data.brim_width = m_config.prime_tower_brim_width;
-        }
-        if (m_config.prime_tower_brim_width < 0) const_cast<Print *>(this)->m_wipe_tower_data.brim_width = WipeTower::get_auto_brim_by_height(max_height);
-    }
+    const WipeTowerFootprint footprint = estimate_wipe_tower_footprint(m_config, this->wipe_tower_type(), this->extruders(true), layer_height, max_height);
+    WipeTowerData &data = const_cast<Print *>(this)->m_wipe_tower_data;
+    data.depth      = float(footprint.depth);
+    data.width      = float(footprint.width);
+    data.brim_width = float(footprint.brim_width);
     return m_wipe_tower_data;
 }
 
@@ -4285,6 +4261,7 @@ void Print::_make_wipe_tower()
         m_wipe_tower_data.tool_changes.reserve(m_wipe_tower_data.tool_ordering.layer_tools().size());
         wipe_tower.generate_new(m_wipe_tower_data.tool_changes);
         m_wipe_tower_data.depth      = wipe_tower.get_depth();
+        m_wipe_tower_data.width      = wipe_tower.width();
         m_wipe_tower_data.brim_width = wipe_tower.get_brim_width();
         m_wipe_tower_data.bbx = wipe_tower.get_bbx();
         m_wipe_tower_data.rib_offset = wipe_tower.get_rib_offset();
@@ -4398,6 +4375,7 @@ void Print::_make_wipe_tower()
         m_wipe_tower_data.tool_changes.reserve(m_wipe_tower_data.tool_ordering.layer_tools().size());
         wipe_tower.generate(m_wipe_tower_data.tool_changes);
         m_wipe_tower_data.depth             = wipe_tower.get_depth();
+        m_wipe_tower_data.width             = wipe_tower.width();
         m_wipe_tower_data.z_and_depth_pairs = wipe_tower.get_z_and_depth_pairs();
         m_wipe_tower_data.brim_width        = wipe_tower.get_brim_width();
         m_wipe_tower_data.height            = wipe_tower.get_wipe_tower_height();
@@ -4433,7 +4411,9 @@ void Print::_make_wipe_tower()
                                          wipe_tower.get_wipe_tower_height(), wipe_tower.get_brim_width(),
                                          config().wipe_tower_wall_type.value == WipeTowerWallType::wtwRib,
                                          wipe_tower.get_rib_width(), wipe_tower.get_rib_length(),
-                                         config().wipe_tower_fillet_wall.value);
+                                         config().wipe_tower_fillet_wall.value,
+                                         config().wipe_tower_wall_type.value == WipeTowerWallType::wtwCone ?
+                                             (float) config().wipe_tower_cone_angle.value : 0.f);
         const Vec3d origin                      = Vec3d::Zero();
         // FakeWipeTower::pos is a bed-frame translation applied after rotation
         // (getFakeExtrusionPathsFromWipeTower2 rotates about the local origin), so the
@@ -4446,6 +4426,28 @@ void Print::_make_wipe_tower()
                                                   config().wipe_tower_rotation_angle, config().wipe_tower_cone_angle,
                                                   {scale_(origin.x()), scale_(origin.y())});
     }
+
+    // The clamps and checks above work from estimates; re-test the exact generated footprint
+    // so an off-plate tower fails with a clear error instead of exporting unprintable G-code
+    // (validate() only sees the mesh on its next run).
+    if (m_wipe_tower_data.wipe_tower_mesh_data) {
+        Polygon footprint = m_wipe_tower_data.wipe_tower_mesh_data->bottom; // includes brim and rib offset
+        footprint.rotate(Geometry::deg2rad(m_config.wipe_tower_rotation_angle.value));
+        footprint.translate(Point(scale_(m_config.wipe_tower_x.get_at(m_plate_index)),
+                                  scale_(m_config.wipe_tower_y.get_at(m_plate_index))));
+        const Polygons printable_polys = this->get_extruder_shared_printable_polygon();
+        if (!printable_polys.empty() && !diff(Polygons{footprint}, printable_polys).empty()) {
+            const BoundingBox fp = get_extents(footprint);
+            const BoundingBox pr = get_extents(printable_polys);
+            BOOST_LOG_TRIVIAL(error) << boost::format("wipe tower footprint [%1%,%2%]-[%3%,%4%] leaves printable [%5%,%6%]-[%7%,%8%]") %
+                unscaled(fp.min.x()) % unscaled(fp.min.y()) % unscaled(fp.max.x()) % unscaled(fp.max.y()) %
+                unscaled(pr.min.x()) % unscaled(pr.min.y()) % unscaled(pr.max.x()) % unscaled(pr.max.y());
+            throw Slic3r::SlicingError(L("Prime Tower") + L(" is partially outside the printable area, and it cannot be printed.\n"));
+        }
+        // The cutter/purge corner is a physical obstacle — the brim must stay out like the body.
+        if (!intersection(get_bed_excluded_area(m_config), Polygons{footprint}).empty())
+            throw Slic3r::SlicingError(L("Prime Tower") + L(" is too close to an exclusion area, and collisions will be caused.\n"));
+    }
 }
 
 // Generate a recommended G-code output file name based on the format template, default extension, and template parameters
@@ -5994,17 +5996,26 @@ ExtrusionLayers FakeWipeTower::getTrueExtrusionLayersFromWipeTower() const
     }
     return wtels;
 }
-void WipeTowerData::construct_mesh(float width, float depth, float height, float brim_width, bool is_rib_wipe_tower, float rib_width, float rib_length,bool fillet_wall)
+void WipeTowerData::construct_mesh(float width, float depth, float height, float brim_width, bool is_rib_wipe_tower, float rib_width, float rib_length,bool fillet_wall, float cone_angle)
 {
     wipe_tower_mesh_data = WipeTowerMeshData{};
     float first_layer_height=0.08; //brim height
     if (width < EPSILON || depth < EPSILON || height < EPSILON) return;
-    if (!is_rib_wipe_tower || rib_length < EPSILON) {
+    if (cone_angle > EPSILON && (!is_rib_wipe_tower || rib_length < EPSILON)) {
+        // Cone tower: the base bulges past the body box; this bottom polygon feeds the
+        // containment checks, so it must carry the bulge and the brim (cone not lofted).
+        wipe_tower_mesh_data->real_wipe_tower_mesh = make_cube(width, depth, height);
+        wipe_tower_mesh_data->bottom               = WipeTower2::cone_base_polygon(width, depth, height, cone_angle);
+        auto brim_bottom                           = offset(wipe_tower_mesh_data->bottom, scaled(brim_width));
+        if (!brim_bottom.empty())
+            wipe_tower_mesh_data->bottom = brim_bottom.front();
+        wipe_tower_mesh_data->real_brim_mesh = WipeTower::its_make_rib_brim(wipe_tower_mesh_data->bottom, first_layer_height);
+    } else if (!is_rib_wipe_tower || rib_length < EPSILON) {
         wipe_tower_mesh_data->real_wipe_tower_mesh = make_cube(width, depth, height);
         wipe_tower_mesh_data->real_brim_mesh       = make_cube(width + 2 * brim_width, depth + 2 * brim_width, first_layer_height);
         wipe_tower_mesh_data->real_brim_mesh.translate({-brim_width, -brim_width, 0});
-        wipe_tower_mesh_data->bottom = {scaled(Vec2f{-brim_width, -brim_width}), scaled(Vec2f{width + brim_width, 0}), scaled(Vec2f{width + brim_width, depth + brim_width}),
-                                        scaled(Vec2f{0, depth})};
+        wipe_tower_mesh_data->bottom = {scaled(Vec2f{-brim_width, -brim_width}), scaled(Vec2f{width + brim_width, -brim_width}),
+                                        scaled(Vec2f{width + brim_width, depth + brim_width}), scaled(Vec2f{-brim_width, depth + brim_width})};
     } else {
         wipe_tower_mesh_data->real_wipe_tower_mesh = WipeTower::its_make_rib_tower(width, depth, height, rib_length, rib_width, fillet_wall);
         wipe_tower_mesh_data->bottom               = WipeTower::rib_section(width, depth, rib_length, rib_width, fillet_wall);

src/libslic3r/Print.hpp

@@ -782,6 +782,9 @@ struct WipeTowerData
 
     // Depth of the wipe tower to pass to GLCanvas3D for exact bounding box:
     float                                                 depth;
+    // Effective width (a rib wall squares the tower): the estimate until generation, then the
+    // generated width, so it never disagrees with depth.
+    float                                                 width;
     std::vector<std::pair<float, float>>                  z_and_depth_pairs;
     float                                                 brim_width;
     float                                                 height;
@@ -795,12 +798,13 @@ struct WipeTowerData
         used_filament.clear();
         number_of_toolchanges = -1;
         depth = 0.f;
+        width = 0.f;
         brim_width = 0.f;
         height = 0.f;
         rib_offset = Vec2f::Zero();
         wipe_tower_mesh_data  = std::nullopt;
     }
-    void construct_mesh(float width, float depth, float height, float brim_width, bool is_rib_wipe_tower, float rib_width, float rib_length, bool fillet_wall);
+    void construct_mesh(float width, float depth, float height, float brim_width, bool is_rib_wipe_tower, float rib_width, float rib_length, bool fillet_wall, float cone_angle = 0.f);
 
 private:
 	// Only allow the WipeTowerData to be instantiated internally by Print, 

src/libslic3r/PrintConfig.cpp

@@ -275,6 +275,7 @@ static t_config_enum_values s_keys_map_InfillPattern {
     { "tpmsfk", ipTpmsFK },
     { "gyroid", ipGyroid },
     { "concentric", ipConcentric },
+    { "spiralinset", ipSpiralInset },
     { "hilbertcurve", ipHilbertCurve },
     { "archimedeanchords", ipArchimedeanChords },
     { "octagramspiral", ipOctagramSpiral }
@@ -371,6 +372,7 @@ static t_config_enum_values s_keys_map_SupportMaterialInterfacePattern {
     { "auto",           smipAuto },
     { "rectilinear",    smipRectilinear },
     { "concentric",     smipConcentric },
+    { "spiralinset",    smipSpiralInset },
     { "rectilinear_interlaced", smipRectilinearInterlaced},
     { "grid",           smipGrid }
 };
@@ -2292,6 +2294,7 @@ void PrintConfigDef::init_fff_params()
     def->enum_values.push_back("rectilinear");
     def->enum_values.push_back("alignedrectilinear");
     def->enum_values.push_back("concentric");
+    def->enum_values.push_back("spiralinset");
     def->enum_values.push_back("hilbertcurve");
     def->enum_values.push_back("archimedeanchords");
     def->enum_values.push_back("octagramspiral");
@@ -2300,6 +2303,7 @@ void PrintConfigDef::init_fff_params()
     def->enum_labels.push_back(L("Rectilinear"));
     def->enum_labels.push_back(L("Aligned Rectilinear"));
     def->enum_labels.push_back(L("Concentric"));
+    def->enum_labels.push_back(L("Spiral Inset"));
     def->enum_labels.push_back(L("Hilbert Curve"));
     def->enum_labels.push_back(L("Archimedean Chords"));
     def->enum_labels.push_back(L("Octagram Spiral"));
@@ -2382,7 +2386,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Top surface fill order");
     def->category = L("Strength");
     def->tooltip = L("Direction in which top surfaces are filled when using a center-based pattern "
-                     "(Concentric, Archimedean Chords, Octagram Spiral).\n"
+                     "(Concentric, Spiral Inset, Archimedean Chords, Octagram Spiral).\n"
                      "Outward starts at the center of the surface, so any excess material is pushed "
                      "towards the edge where it is least visible. Inward starts at the edge and ends "
                      "with the tight curves at the center.\n"
@@ -2401,7 +2405,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Bottom surface fill order");
     def->category = L("Strength");
     def->tooltip = L("Direction in which bottom surfaces are filled when using a center-based pattern "
-                     "(Concentric, Archimedean Chords, Octagram Spiral).\n"
+                     "(Concentric, Spiral Inset, Archimedean Chords, Octagram Spiral).\n"
                      "Inward starts each surface with the wider outer curves, which improves first layer "
                      "adhesion on build plates where the tight curves at the center may not stick. "
                      "Outward starts at the center, pushing any excess material towards the edge.\n"
@@ -5426,7 +5430,7 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->readonly = false;
     def->nullable = true;
-    def->set_default_value(new ConfigOptionFloatsNullable { {0.0} });
+    def->set_default_value(new ConfigOptionFloatsNullable { 0.0 });
 
     def = this->add("cooling_tube_retraction", coFloat);
     def->label = L("Cooling tube position");
@@ -6963,11 +6967,13 @@ void PrintConfigDef::init_fff_params()
     def->enum_values.push_back("auto");
     def->enum_values.push_back("rectilinear");
     def->enum_values.push_back("concentric");
+	def->enum_values.push_back("spiralinset");
     def->enum_values.push_back("rectilinear_interlaced");
     def->enum_values.push_back("grid");
     def->enum_labels.push_back(L("Default"));
     def->enum_labels.push_back(L("Rectilinear"));
     def->enum_labels.push_back(L("Concentric"));
+	def->enum_labels.push_back(L("Spiral Inset"));
     def->enum_labels.push_back(L("Rectilinear Interlaced"));
     def->enum_labels.push_back(L("Grid"));
     def->mode = comAdvanced;

src/libslic3r/PrintConfig.hpp

@@ -113,7 +113,7 @@ enum InfillPattern : int {
     ipCubic, ipAdaptiveCubic, ipQuarterCubic, ipSupportCubic, ipLightning,
     ipHoneycomb, ip3DHoneycomb, ipLateralHoneycomb, ipLateralLattice,
     ipCrossHatch, ipTpmsD, ipTpmsFK, ipGyroid,
-    ipConcentric, ipHilbertCurve, ipArchimedeanChords, ipOctagramSpiral,
+    ipConcentric, ipSpiralInset, ipHilbertCurve, ipArchimedeanChords, ipOctagramSpiral,
     ipSupportBase, ipConcentricInternal,
     ipCount,
 };
@@ -271,7 +271,7 @@ enum LongRectrationLevel
 };
 
 enum SupportMaterialInterfacePattern {
-    smipAuto, smipRectilinear, smipConcentric, smipRectilinearInterlaced, smipGrid
+    smipAuto, smipRectilinear, smipConcentric, smipSpiralInset, smipRectilinearInterlaced, smipGrid
 };
 
 // BBS
@@ -1011,41 +1011,46 @@ public: \
         { PrintConfigDef::handle_legacy(opt_key, value); }
 
 #define PRINT_CONFIG_CLASS_ELEMENT_DEFINITION(r, data, elem) BOOST_PP_TUPLE_ELEM(0, elem) BOOST_PP_TUPLE_ELEM(1, elem);
-#define PRINT_CONFIG_CLASS_ELEMENT_INITIALIZATION2(KEY) cache.opt_add(BOOST_PP_STRINGIZE(KEY), base_ptr, this->KEY);
-#define PRINT_CONFIG_CLASS_ELEMENT_INITIALIZATION(r, data, elem) PRINT_CONFIG_CLASS_ELEMENT_INITIALIZATION2(BOOST_PP_TUPLE_ELEM(1, elem))
-#define PRINT_CONFIG_CLASS_ELEMENT_HASH(r, data, elem) boost::hash_combine(seed, BOOST_PP_TUPLE_ELEM(1, elem).hash());
-#define PRINT_CONFIG_CLASS_ELEMENT_EQUAL(r, data, elem) if (! (BOOST_PP_TUPLE_ELEM(1, elem) == rhs.BOOST_PP_TUPLE_ELEM(1, elem))) return false;
-#define PRINT_CONFIG_CLASS_ELEMENT_LOWER(r, data, elem) \
-        if (BOOST_PP_TUPLE_ELEM(1, elem) < rhs.BOOST_PP_TUPLE_ELEM(1, elem)) return true; \
-        if (! (BOOST_PP_TUPLE_ELEM(1, elem) == rhs.BOOST_PP_TUPLE_ELEM(1, elem))) return false;
+#define PRINT_CONFIG_CLASS_ELEMENT_VISIT(r, data, elem) if (! f(BOOST_PP_STRINGIZE(BOOST_PP_TUPLE_ELEM(1, elem)), this->BOOST_PP_TUPLE_ELEM(1, elem), rhs.BOOST_PP_TUPLE_ELEM(1, elem))) return;
+// Each option list is expanded into the members and again into for_each_option_pair(), which calls
+// f(key, this->option, rhs.option) in declaration order and stops when f returns false. hash(),
+// operator==, operator< and initialize() iterate the options through that visitor.
+#define PRINT_CONFIG_CLASS_COMMON_BODY(CLASS_NAME) \
+    size_t hash() const throw() \
+    { \
+        size_t seed = 0; \
+        this->for_each_option_pair(*this, [&seed](const char*, const auto &a, const auto&) { boost::hash_combine(seed, a.hash()); return true; }); \
+        return seed; \
+    } \
+    bool operator==(const CLASS_NAME &rhs) const throw() \
+    { \
+        bool eq = true; \
+        this->for_each_option_pair(rhs, [&eq](const char*, const auto &a, const auto &b) { eq = (a == b); return eq; }); \
+        return eq; \
+    } \
+    bool operator!=(const CLASS_NAME &rhs) const throw() { return ! (*this == rhs); } \
+    bool operator<(const CLASS_NAME &rhs) const throw() \
+    { \
+        int c = 0; \
+        this->for_each_option_pair(rhs, [&c](const char*, const auto &a, const auto &b) { if (a < b) c = -1; else if (! (a == b)) c = 1; return c == 0; }); \
+        return c < 0; \
+    } \
+protected: \
+    void initialize(StaticCacheBase &cache, const char *base_ptr) \
+    { \
+        this->for_each_option_pair(*this, [&cache, base_ptr](const char *key, const auto &a, const auto&) { cache.opt_add(key, base_ptr, a); return true; }); \
+    }
 
 #define PRINT_CONFIG_CLASS_DEFINE(CLASS_NAME, PARAMETER_DEFINITION_SEQ) \
 class CLASS_NAME : public StaticPrintConfig { \
     STATIC_PRINT_CONFIG_CACHE(CLASS_NAME) \
 public: \
     BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_DEFINITION, _, PARAMETER_DEFINITION_SEQ) \
-    size_t hash() const throw() \
+    template<typename F> void for_each_option_pair(const CLASS_NAME &rhs, F &&f) const \
     { \
-        size_t seed = 0; \
-        BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_HASH, _, PARAMETER_DEFINITION_SEQ) \
-        return seed; \
-    } \
-    bool operator==(const CLASS_NAME &rhs) const throw() \
-    { \
-        BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_EQUAL, _, PARAMETER_DEFINITION_SEQ) \
-        return true; \
-    } \
-    bool operator!=(const CLASS_NAME &rhs) const throw() { return ! (*this == rhs); } \
-    bool operator<(const CLASS_NAME &rhs) const throw() \
-    { \
-        BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_LOWER, _, PARAMETER_DEFINITION_SEQ) \
-        return false; \
-    } \
-protected: \
-    void initialize(StaticCacheBase &cache, const char *base_ptr) \
-    { \
-        BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_INITIALIZATION, _, PARAMETER_DEFINITION_SEQ) \
+        BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_VISIT, _, PARAMETER_DEFINITION_SEQ) \
     } \
+    PRINT_CONFIG_CLASS_COMMON_BODY(CLASS_NAME) \
 };
 
 #define PRINT_CONFIG_CLASS_DERIVED_CLASS_LIST_ITEM(r, data, i, elem) BOOST_PP_COMMA_IF(i) public elem
@@ -1059,43 +1064,43 @@ protected: \
     if (! (*static_cast<const elem*>(this) == static_cast<const elem&>(rhs))) return false;
 
 // Generic version, with or without new parameters. Don't use this directly.
-#define PRINT_CONFIG_CLASS_DERIVED_DEFINE1(CLASS_NAME, CLASSES_PARENTS_TUPLE, PARAMETER_DEFINITION, PARAMETER_REGISTRATION, PARAMETER_HASHES, PARAMETER_EQUALS) \
+#define PRINT_CONFIG_CLASS_DERIVED_DEFINE1(CLASS_NAME, CLASSES_PARENTS_TUPLE, PARAMETER_DEFINITION, PARAMETER_VISIT) \
 class CLASS_NAME : PRINT_CONFIG_CLASS_DERIVED_CLASS_LIST(CLASSES_PARENTS_TUPLE) { \
     STATIC_PRINT_CONFIG_CACHE_DERIVED(CLASS_NAME) \
     CLASS_NAME() : PRINT_CONFIG_CLASS_DERIVED_INITIALIZER(CLASSES_PARENTS_TUPLE, 0) { assert(s_cache_##CLASS_NAME.initialized()); *this = s_cache_##CLASS_NAME.defaults(); } \
 public: \
     PARAMETER_DEFINITION \
+    template<typename F> void for_each_option_pair(const CLASS_NAME &rhs, F &&f) const { PARAMETER_VISIT } \
     size_t hash() const throw() \
     { \
         size_t seed = 0; \
         BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_DERIVED_HASH, _, BOOST_PP_TUPLE_TO_SEQ(CLASSES_PARENTS_TUPLE)) \
-        PARAMETER_HASHES \
+        this->for_each_option_pair(*this, [&seed](const char*, const auto &a, const auto&) { boost::hash_combine(seed, a.hash()); return true; }); \
         return seed; \
     } \
     bool operator==(const CLASS_NAME &rhs) const throw() \
     { \
         BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_DERIVED_EQUAL, _, BOOST_PP_TUPLE_TO_SEQ(CLASSES_PARENTS_TUPLE)) \
-        PARAMETER_EQUALS \
-        return true; \
+        bool eq = true; \
+        this->for_each_option_pair(rhs, [&eq](const char*, const auto &a, const auto &b) { eq = (a == b); return eq; }); \
+        return eq; \
     } \
     bool operator!=(const CLASS_NAME &rhs) const throw() { return ! (*this == rhs); } \
 protected: \
     CLASS_NAME(int) : PRINT_CONFIG_CLASS_DERIVED_INITIALIZER(CLASSES_PARENTS_TUPLE, 1) {} \
     void initialize(StaticCacheBase &cache, const char* base_ptr) { \
         PRINT_CONFIG_CLASS_DERIVED_INITCACHE(CLASSES_PARENTS_TUPLE) \
-        PARAMETER_REGISTRATION \
+        this->for_each_option_pair(*this, [&cache, base_ptr](const char *key, const auto &a, const auto&) { cache.opt_add(key, base_ptr, a); return true; }); \
     } \
 };
 // Variant without adding new parameters.
 #define PRINT_CONFIG_CLASS_DERIVED_DEFINE0(CLASS_NAME, CLASSES_PARENTS_TUPLE) \
-    PRINT_CONFIG_CLASS_DERIVED_DEFINE1(CLASS_NAME, CLASSES_PARENTS_TUPLE, BOOST_PP_EMPTY(), BOOST_PP_EMPTY(), BOOST_PP_EMPTY(), BOOST_PP_EMPTY())
+    PRINT_CONFIG_CLASS_DERIVED_DEFINE1(CLASS_NAME, CLASSES_PARENTS_TUPLE, BOOST_PP_EMPTY(), BOOST_PP_EMPTY())
 // Variant with adding new parameters.
 #define PRINT_CONFIG_CLASS_DERIVED_DEFINE(CLASS_NAME, CLASSES_PARENTS_TUPLE, PARAMETER_DEFINITION_SEQ) \
     PRINT_CONFIG_CLASS_DERIVED_DEFINE1(CLASS_NAME, CLASSES_PARENTS_TUPLE, \
         BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_DEFINITION, _, PARAMETER_DEFINITION_SEQ), \
-        BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_INITIALIZATION, _, PARAMETER_DEFINITION_SEQ), \
-        BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_HASH, _, PARAMETER_DEFINITION_SEQ), \
-        BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_EQUAL, _, PARAMETER_DEFINITION_SEQ))
+        BOOST_PP_SEQ_FOR_EACH(PRINT_CONFIG_CLASS_ELEMENT_VISIT, _, PARAMETER_DEFINITION_SEQ))
 
 // This object is mapped to Perl as Slic3r::Config::PrintObject.
 PRINT_CONFIG_CLASS_DEFINE(
@@ -2148,11 +2153,8 @@ PRINT_CONFIG_CLASS_DERIVED_DEFINE0(
 #undef STATIC_PRINT_CONFIG_CACHE_BASE
 #undef STATIC_PRINT_CONFIG_CACHE_DERIVED
 #undef PRINT_CONFIG_CLASS_ELEMENT_DEFINITION
-#undef PRINT_CONFIG_CLASS_ELEMENT_EQUAL
-#undef PRINT_CONFIG_CLASS_ELEMENT_LOWER
-#undef PRINT_CONFIG_CLASS_ELEMENT_HASH
-#undef PRINT_CONFIG_CLASS_ELEMENT_INITIALIZATION
-#undef PRINT_CONFIG_CLASS_ELEMENT_INITIALIZATION2
+#undef PRINT_CONFIG_CLASS_ELEMENT_VISIT
+#undef PRINT_CONFIG_CLASS_COMMON_BODY
 #undef PRINT_CONFIG_CLASS_DEFINE
 #undef PRINT_CONFIG_CLASS_DERIVED_CLASS_LIST
 #undef PRINT_CONFIG_CLASS_DERIVED_CLASS_LIST_ITEM

src/libslic3r/PrintObject.cpp

@@ -21,9 +21,11 @@
 #include "TriangleMeshSlicer.hpp"
 #include "Utils.hpp"
 #include "Fill/FillAdaptive.hpp"
+#include "Fill/Fill.hpp"
 #include "Fill/FillLightning.hpp"
 #include "Format/STL.hpp"
 #include "format.hpp"
+#include "AABBTreeIndirect.hpp"
 #include "AABBTreeLines.hpp"
 
 #include <cstddef>
@@ -672,6 +674,98 @@ void PrintObject::prepare_infill()
     } // for each region
 #endif /* SLIC3R_DEBUG_SLICE_PROCESSING */
 
+    // Orca: precompute the object's 3D connected bodies for separated infills / per-model
+    // centering. Two islands belong to the same body when their slices overlap on adjacent
+    // layers; islands that only overlap in top-down projection but never touch (e.g. interleaved
+    // chain links) stay separate, matching "split to objects". Each layer island then records
+    // the full bounding box of its body, so its infill is centered on that body as if it were
+    // sliced alone. Compute this before bridges so anchors and extrusion share the same origin.
+    bool needs_separated_components = false;
+    for (size_t i = 0; i < this->num_printing_regions(); ++ i) {
+        const PrintRegionConfig &rc = this->printing_region(i).config();
+        if (rc.separated_infills || rc.center_of_surface_pattern == CenterOfSurfacePattern::Each_Model) {
+            needs_separated_components = true;
+            break;
+        }
+    }
+    // Orca: Fast path: the feature only changes anything when the object is made of more than one
+    // connected body. Detect that cheaply the same way as "Split to objects" — more than one
+    // model part, or a single part whose mesh is splittable (is_splittable() is cached). A single
+    // body already shares the object center, i.e. the default, so skip the connectivity pass.
+    if (needs_separated_components) {
+        int                parts      = 0;
+        const ModelVolume *first_part = nullptr;
+        for (const ModelVolume *v : this->model_object()->volumes)
+            if (v->is_model_part()) { ++ parts; first_part = v; }
+        if (parts <= 1 && ! (first_part != nullptr && first_part->is_splittable()))
+            needs_separated_components = false;
+    }
+    for (Layer *layer : m_layers)
+        layer->lslices_separated_component_bboxes.clear();
+    if (needs_separated_components) {
+        const size_t        nl = m_layers.size();
+        std::vector<size_t> offset(nl + 1, 0); // Orca: flat index of the first island of each layer
+        for (size_t i = 0; i < nl; ++ i)
+            offset[i + 1] = offset[i] + m_layers[i]->lslices.size();
+        const size_t nreg = offset[nl];
+        // Orca: Union-find over every (layer, island).
+        std::vector<size_t> parent(nreg);
+        for (size_t i = 0; i < nreg; ++ i) parent[i] = i;
+        auto find = [&parent](size_t x) {
+            while (parent[x] != x) { parent[x] = parent[parent[x]]; x = parent[x]; }
+            return x;
+        };
+        auto unite = [&](size_t a, size_t b) { a = find(a); b = find(b); if (a != b) parent[a] = b; };
+        // Orca: Index the smaller of two consecutive layers instead of scanning every
+        // pair of islands. The tree prunes distant boxes on fragmented models; exact
+        // polygon intersections still decide connectivity for the remaining candidates.
+        for (size_t i = 0; i + 1 < nl; ++ i) {
+            m_print->throw_if_canceled();
+            size_t layer_a = i, layer_b = i + 1;
+            if (m_layers[layer_a]->lslices.size() < m_layers[layer_b]->lslices.size())
+                std::swap(layer_a, layer_b);
+            const Layer *la = m_layers[layer_a], *lb = m_layers[layer_b];
+            if (lb->lslices.empty())
+                continue;
+
+            using IslandTree = AABBTreeIndirect::Tree<2, coord_t>;
+            std::vector<AABBTreeIndirect::BoundingBoxWrapper> bboxes;
+            bboxes.reserve(lb->lslices.size());
+            for (size_t b = 0; b < lb->lslices.size(); ++ b)
+                bboxes.emplace_back(b, lb->lslices_bboxes[b]);
+            IslandTree tree;
+            tree.build_modify_input(bboxes);
+            for (size_t a = 0; a < la->lslices.size(); ++ a) {
+                const IslandTree::BoundingBox query(la->lslices_bboxes[a].min, la->lslices_bboxes[a].max);
+                AABBTreeIndirect::traverse(tree,
+                    [&query](const IslandTree::Node &node) { return node.bbox.intersects(query); },
+                    [&](const IslandTree::Node &node) {
+                        const size_t b = node.idx;
+                        // Orca: Tree boxes include an epsilon, so retain the original box
+                        // filter. Already-connected islands cannot change the partition
+                        // and need no further polygon intersection.
+                        if (la->lslices_bboxes[a].overlap(lb->lslices_bboxes[b]) &&
+                            find(offset[layer_a] + a) != find(offset[layer_b] + b) &&
+                            ! intersection_ex(la->lslices[a], lb->lslices[b]).empty())
+                            unite(offset[layer_a] + a, offset[layer_b] + b);
+                        return true;
+                    });
+            }
+        }
+        // Orca: Full bounding box of each body, indexed by its union-find root.
+        std::vector<BoundingBox> body_bbox(nreg);
+        for (size_t i = 0; i < nl; ++ i)
+            for (size_t a = 0; a < m_layers[i]->lslices.size(); ++ a)
+                body_bbox[find(offset[i] + a)].merge(m_layers[i]->lslices_bboxes[a]);
+        // Orca: Store the body bbox for every island.
+        for (size_t i = 0; i < nl; ++ i) {
+            Layer *layer = m_layers[i];
+            layer->lslices_separated_component_bboxes.resize(layer->lslices.size());
+            for (size_t a = 0; a < layer->lslices.size(); ++ a)
+                layer->lslices_separated_component_bboxes[a] = body_bbox[find(offset[i] + a)];
+        }
+    }
+
     // the following step needs to be done before combination because it may need
     // to remove only half of the combined infill
     this->bridge_over_infill();
@@ -706,71 +800,6 @@ void PrintObject::infill()
     if (this->set_started(posInfill)) {
         m_print->set_status(35, L("Generating infill toolpath"));
 
-        // Orca: precompute the object's 3D connected bodies for separated infills / per-model
-        // centering. Two islands belong to the same body when their slices overlap on adjacent
-        // layers; islands that only overlap in top-down projection but never touch (e.g. interleaved
-        // chain links) stay separate, matching "split to objects". Each layer island then records
-        // the full bounding box of its body, so its infill is centered on that body as if it were
-        // sliced alone. Done once here, before the parallel fill, and only when a region needs it.
-        bool needs_separated_components = false;
-        for (size_t i = 0; i < this->num_printing_regions(); ++ i) {
-            const PrintRegionConfig &rc = this->printing_region(i).config();
-            if (rc.separated_infills || rc.center_of_surface_pattern == CenterOfSurfacePattern::Each_Model) {
-                needs_separated_components = true;
-                break;
-            }
-        }
-        // Fast path: the feature only changes anything when the object is made of more than one
-        // connected body. Detect that cheaply the same way as "Split to objects" — more than one
-        // model part, or a single part whose mesh is splittable (is_splittable() is cached). A single
-        // body already shares the object center, i.e. the default, so skip the connectivity pass.
-        if (needs_separated_components) {
-            int                parts      = 0;
-            const ModelVolume *first_part = nullptr;
-            for (const ModelVolume *v : this->model_object()->volumes)
-                if (v->is_model_part()) { ++ parts; first_part = v; }
-            if (parts <= 1 && ! (first_part != nullptr && first_part->is_splittable()))
-                needs_separated_components = false;
-        }
-        for (Layer *layer : m_layers)
-            layer->lslices_separated_component_bboxes.clear();
-        if (needs_separated_components) {
-            const size_t        nl = m_layers.size();
-            std::vector<size_t> offset(nl + 1, 0); // flat index of the first island of each layer
-            for (size_t i = 0; i < nl; ++ i)
-                offset[i + 1] = offset[i] + m_layers[i]->lslices.size();
-            const size_t nreg = offset[nl];
-            // Union-find over every (layer, island).
-            std::vector<size_t> parent(nreg);
-            for (size_t i = 0; i < nreg; ++ i) parent[i] = i;
-            auto find = [&parent](size_t x) {
-                while (parent[x] != x) { parent[x] = parent[parent[x]]; x = parent[x]; }
-                return x;
-            };
-            auto unite = [&](size_t a, size_t b) { a = find(a); b = find(b); if (a != b) parent[a] = b; };
-            // Join islands that overlap between two consecutive layers.
-            for (size_t i = 0; i + 1 < nl; ++ i) {
-                const Layer *la = m_layers[i], *lb = m_layers[i + 1];
-                for (size_t a = 0; a < la->lslices.size(); ++ a)
-                    for (size_t b = 0; b < lb->lslices.size(); ++ b)
-                        if (la->lslices_bboxes[a].overlap(lb->lslices_bboxes[b]) &&
-                            ! intersection_ex(la->lslices[a], lb->lslices[b]).empty())
-                            unite(offset[i] + a, offset[i + 1] + b);
-            }
-            // Full bounding box of each body, indexed by its union-find root.
-            std::vector<BoundingBox> body_bbox(nreg);
-            for (size_t i = 0; i < nl; ++ i)
-                for (size_t a = 0; a < m_layers[i]->lslices.size(); ++ a)
-                    body_bbox[find(offset[i] + a)].merge(m_layers[i]->lslices_bboxes[a]);
-            // Store the body bbox for every island.
-            for (size_t i = 0; i < nl; ++ i) {
-                Layer *layer = m_layers[i];
-                layer->lslices_separated_component_bboxes.resize(layer->lslices.size());
-                for (size_t a = 0; a < layer->lslices.size(); ++ a)
-                    layer->lslices_separated_component_bboxes[a] = body_bbox[find(offset[i] + a)];
-            }
-        }
-
         const auto& adaptive_fill_octree = this->m_adaptive_fill_octrees.first;
         const auto& support_fill_octree = this->m_adaptive_fill_octrees.second;
 
@@ -1401,8 +1430,6 @@ bool PrintObject::invalidate_state_by_config_options(
             || opt_key == "infill_anchor_max"
             || opt_key == "top_surface_line_width"
             || opt_key == "bottom_surface_density"
-            || opt_key == "center_of_surface_pattern"
-            || opt_key == "separated_infills" 
             || opt_key == "initial_layer_line_width"
             || opt_key == "small_area_infill_flow_compensation"
             || opt_key == "lateral_lattice_angle_1"
@@ -1410,6 +1437,10 @@ bool PrintObject::invalidate_state_by_config_options(
             || opt_key == "infill_overhang_angle") {
             steps.emplace_back(posInfill);
         } else if (opt_key == "sparse_infill_pattern"
+                   // Orca: Body centering now also determines bridge anchors during preparation.
+                   // Invalidating preparation also invalidates infill, including top/bottom surfaces.
+                   || opt_key == "center_of_surface_pattern"
+                   || opt_key == "separated_infills"
                    || opt_key == "sparse_infill_smooth_factor"
                    || opt_key == "symmetric_infill_y_axis"
                    || opt_key == "infill_shift_step"
@@ -1480,13 +1511,9 @@ bool PrintObject::invalidate_state_by_config_options(
             steps.emplace_back(posPerimeters);
             steps.emplace_back(posSupportMaterial);
         } else if (opt_key == "bridge_flow" || opt_key == "internal_bridge_flow") {
-            if (m_config.support_top_z_distance > 0.) {
-            	// Only invalidate due to bridging if bridging is enabled.
-            	// If later "support_top_z_distance" is modified, the complete PrintObject is invalidated anyway.
-            	steps.emplace_back(posPerimeters);
-            	steps.emplace_back(posInfill);
-	            steps.emplace_back(posSupportMaterial);
-	        }
+            steps.emplace_back(posPerimeters);
+            steps.emplace_back(posInfill);
+            steps.emplace_back(posSupportMaterial);
         } else if (
                 opt_key == "wall_generator"
             || opt_key == "wall_transition_length"
@@ -1604,7 +1631,9 @@ bool PrintObject::invalidate_step(PrintObjectStep step)
 bool PrintObject::invalidate_all_steps()
 {
 	// First call the "invalidate" functions, which may cancel background processing.
-    bool result = Inherited::invalidate_all_steps() | m_print->invalidate_all_steps();
+    const bool inherited_invalidated = Inherited::invalidate_all_steps();
+    const bool print_invalidated     = m_print->invalidate_all_steps();
+    bool result = inherited_invalidated || print_invalidated;
 	// Then reset some of the depending values.
 	m_slicing_params.valid = false;
 	return result;
@@ -3009,21 +3038,12 @@ void PrintObject::bridge_over_infill()
         return diff(layers_sparse_infill, not_sparse_infill);
     };
 
-    // LAMBDA do determine optimal bridging angle
-    auto determine_bridging_angle = [](const Polygons &bridged_area, const Lines &anchors, InfillPattern dominant_pattern, double infill_direction) {
+    // Orca: Derive the fallback bridge direction from the supplied anchor geometry.
+    // Pattern-specific angle selection belongs at the call site, where the supporting
+    // layer and region are known; this helper must not override it with a base config angle.
+    auto determine_bridging_angle = [](const Polygons &bridged_area, const Lines &anchors) {
         AABBTreeLines::LinesDistancer<Line> lines_tree(anchors);
 
-        // Orca: since 3D Honeycomb was "fixed" by forcing coordf_t layerHeight = scale_(1.0), this is no longer needed.
-        // CorssHatch also does not need fixed angle.
-        //
-        // Check it the infill that require a fixed infill angle.
-        //switch (dominant_pattern) {
-        //case ip3DHoneycomb:
-        //case ipCrossHatch:
-        //    return (infill_direction + 45.0) * 2.0 * M_PI / 360.;
-        //default: break;
-        //}
-
         std::map<double, int> counted_directions;
         for (const Polygon &p : bridged_area) {
             double acc_distance = 0;
@@ -3089,18 +3109,15 @@ void PrintObject::bridge_over_infill()
         if (bridging_angle == 0) {
             bridging_angle = 0.001;
         }
-        switch (dominant_pattern) {
-        case ipHilbertCurve: bridging_angle += 0.25 * PI; break;
-        case ipOctagramSpiral: bridging_angle += (1.0 / 16.0) * PI; break;
-        default: break;
-        }
 
         return bridging_angle;
     };
 
-    // LAMBDA that will fill given polygons with lines, exapand the lines to the nearest anchor, and reconstruct polygons from the newly
-    // generated lines
-    auto construct_anchored_polygon = [](Polygons bridged_area, Lines anchors, const Flow &bridging_flow, double bridging_angle) {
+    // Orca: Extend scan sections to the nearest anchors and reconstruct the bridge area.
+    // scan_spacing controls boundary sampling independently of the extrusion spacing;
+    // anchoring overlap and smoothing thresholds still use the physical bridging flow.
+    auto construct_anchored_polygon = [](Polygons bridged_area, Lines anchors, const Flow &bridging_flow, double bridging_angle,
+                                         coord_t scan_spacing, bool restore_anchors = false) {
         auto lines_rotate = [](Lines &lines, double cos_angle, double sin_angle) {
             for (Line &l : lines) {
                 double ax = double(l.a.x());
@@ -3127,12 +3144,12 @@ void PrintObject::bridge_over_infill()
             BoundingBox bb_x = get_extents(bridged_area);
             BoundingBox bb_y = get_extents(anchors);
 
-            const size_t n_vlines = (bb_x.max.x() - bb_x.min.x() + bridging_flow.scaled_spacing() - 1) / bridging_flow.scaled_spacing();
+            const size_t n_vlines = (bb_x.max.x() - bb_x.min.x() + scan_spacing - 1) / scan_spacing;
             std::vector<Line> vertical_lines(n_vlines);
             for (size_t i = 0; i < n_vlines; i++) {
-                // Orca: Make sure the line is placed in the middle of the extrusion
-                // coord_t x           = bb_x.min.x() + i * bridging_flow.scaled_spacing();
-                coord_t x           = bb_x.min.x() + (i + 0.5) * bridging_flow.scaled_spacing();
+                // Orca: Sample the center of each reconstructed strip. Its edges lie
+                // half a scan step away, even when the sampling is finer than extrusion.
+                coord_t x           = bb_x.min.x() + (i + 0.5) * scan_spacing;
                 coord_t y_min       = bb_y.min.y() - bridging_flow.scaled_spacing();
                 coord_t y_max       = bb_y.max.y() + bridging_flow.scaled_spacing();
                 vertical_lines[i].a = Point{x, y_min};
@@ -3155,7 +3172,11 @@ void PrintObject::bridge_over_infill()
                 auto anchors_intersections = anchors_and_walls_tree.intersections_with_line<true>(vertical_lines[i]);
 
                 for (Line &section : polygon_sections[i]) {
-                    auto maybe_below_anchor = std::upper_bound(anchors_intersections.rbegin(), anchors_intersections.rend(), section.a,
+                    // Orca: A repaired boundary may already overlap its anchor by one flow width.
+                    // Include that overlap in the search so restoring rounded corners does not
+                    // extend every already anchored section into the next sparse infill cell.
+                    const coord_t overlap = restore_anchors ? bridging_flow.scaled_width() + SCALED_EPSILON : 0;
+                    auto maybe_below_anchor = std::upper_bound(anchors_intersections.rbegin(), anchors_intersections.rend(), section.a + Point{0, overlap},
                                                                [](const Point &a, const std::pair<Point, size_t> &b) {
                                                                    return a.y() > b.first.y();
                                                                });
@@ -3164,7 +3185,7 @@ void PrintObject::bridge_over_infill()
                         section.a.y() -= bridging_flow.scaled_width() * (0.5 + 0.5);
                     }
 
-                    auto maybe_upper_anchor = std::upper_bound(anchors_intersections.begin(), anchors_intersections.end(), section.b,
+                    auto maybe_upper_anchor = std::upper_bound(anchors_intersections.begin(), anchors_intersections.end(), section.b - Point{0, overlap},
                                                                [](const Point &a, const std::pair<Point, size_t> &b) {
                                                                    return a.y() < b.first.y();
                                                                });
@@ -3194,7 +3215,9 @@ void PrintObject::bridge_over_infill()
                           });
             }
 
-            // reconstruct polygon from polygon sections
+            // Orca: Reconstruct the polygon from scan sections. At discontinuities and
+            // strip starts/ends, use half the scan step for the X offsets; using half an
+            // extrusion spacing would overlap the finer strips and distort curved anchors.
             struct TracedPoly
             {
                 Points lows;
@@ -3220,8 +3243,8 @@ void PrintObject::bridge_over_infill()
                             36.0 * double(bridging_flow.scaled_spacing()) * bridging_flow.scaled_spacing()) {
                             traced_poly.lows.push_back(candidate->a);
                         } else {
-                            traced_poly.lows.push_back(traced_poly.lows.back() + Point{bridging_flow.scaled_spacing() / 2, 0});
-                            traced_poly.lows.push_back(candidate->a - Point{bridging_flow.scaled_spacing() / 2, 0});
+                            traced_poly.lows.push_back(traced_poly.lows.back() + Point{scan_spacing / 2, 0});
+                            traced_poly.lows.push_back(candidate->a - Point{scan_spacing / 2, 0});
                             traced_poly.lows.push_back(candidate->a);
                         }
 
@@ -3229,8 +3252,8 @@ void PrintObject::bridge_over_infill()
                             36.0 * double(bridging_flow.scaled_spacing()) * bridging_flow.scaled_spacing()) {
                             traced_poly.highs.push_back(candidate->b);
                         } else {
-                            traced_poly.highs.push_back(traced_poly.highs.back() + Point{bridging_flow.scaled_spacing() / 2, 0});
-                            traced_poly.highs.push_back(candidate->b - Point{bridging_flow.scaled_spacing() / 2, 0});
+                            traced_poly.highs.push_back(traced_poly.highs.back() + Point{scan_spacing / 2, 0});
+                            traced_poly.highs.push_back(candidate->b - Point{scan_spacing / 2, 0});
                             traced_poly.highs.push_back(candidate->b);
                         }
                         segment_added = true;
@@ -3238,9 +3261,9 @@ void PrintObject::bridge_over_infill()
                     }
 
                     if (!segment_added) {
-                        // Zero overlapping segments, we just close this polygon
-                        traced_poly.lows.push_back(traced_poly.lows.back() + Point{bridging_flow.scaled_spacing() / 2, 0});
-                        traced_poly.highs.push_back(traced_poly.highs.back() + Point{bridging_flow.scaled_spacing() / 2, 0});
+                        // Orca: No section continues this strip; close at its right edge.
+                        traced_poly.lows.push_back(traced_poly.lows.back() + Point{scan_spacing / 2, 0});
+                        traced_poly.highs.push_back(traced_poly.highs.back() + Point{scan_spacing / 2, 0});
                         Polygon &new_poly = expanded_bridged_area.emplace_back(std::move(traced_poly.lows));
                         new_poly.points.insert(new_poly.points.end(), traced_poly.highs.rbegin(), traced_poly.highs.rend());
                         traced_poly.lows.clear();
@@ -3255,9 +3278,9 @@ void PrintObject::bridge_over_infill()
                 for (const auto &segment : polygon_slice) {
                     if (used_segments.find(&segment) == used_segments.end()) {
                         TracedPoly &new_tp = current_traced_polys.emplace_back();
-                        new_tp.lows.push_back(segment.a - Point{bridging_flow.scaled_spacing() / 2, 0});
+                        new_tp.lows.push_back(segment.a - Point{scan_spacing / 2, 0});
                         new_tp.lows.push_back(segment.a);
-                        new_tp.highs.push_back(segment.b - Point{bridging_flow.scaled_spacing() / 2, 0});
+                        new_tp.highs.push_back(segment.b - Point{scan_spacing / 2, 0});
                         new_tp.highs.push_back(segment.b);
                     }
                 }
@@ -3364,7 +3387,10 @@ void PrintObject::bridge_over_infill()
                 total_fill_area   = closing(total_fill_area, float(SCALED_EPSILON));
                 expansion_area    = closing(expansion_area, float(SCALED_EPSILON));
                 expansion_area    = intersection(expansion_area, deep_infill_area);
-                Polylines anchors = intersection_pl(infill_lines[lidx - 1], shrink(expansion_area, spacing));
+                // Orca: Preserve the real lower-layer anchors for every candidate in this
+                // layer. Replacing this shared set for one pattern also changes later regions,
+                // and synthetic straight lines can claim support where no infill is printed.
+                const Polylines anchors = intersection_pl(infill_lines[lidx - 1], shrink(expansion_area, spacing));
                 Polygons internal_unsupported_area = shrink(deep_infill_area, spacing * 4.5);
 
 #ifdef DEBUG_BRIDGE_OVER_INFILL
@@ -3375,6 +3401,9 @@ void PrintObject::bridge_over_infill()
                 std::vector<CandidateSurface> expanded_surfaces;
                 expanded_surfaces.reserve(surfaces_by_layer[lidx].size());
                 for (const CandidateSurface &candidate : surfaces_by_layer[lidx]) {
+                    const auto &region_config = candidate.region->region().config();
+                    const bool turning_pattern = region_config.sparse_infill_pattern == ipHilbertCurve ||
+                                                 region_config.sparse_infill_pattern == ipOctagramSpiral;
                     const Flow &flow              = candidate.region->bridging_flow(frSolidInfill, true);
                     Polygons    area_to_be_bridge = expand(candidate.new_polys, flow.scaled_spacing());
                     area_to_be_bridge             = intersection(area_to_be_bridge, deep_infill_area);
@@ -3403,20 +3432,40 @@ void PrintObject::bridge_over_infill()
                                to_lines(area_to_be_bridge), to_lines(boundary_plines), to_lines(anchors), to_lines(expansion_area));
 #endif
 
-                    double bridging_angle = 0;
-                    if (!anchors.empty()) {
-                        bridging_angle = determine_bridging_angle(area_to_be_bridge, to_lines(anchors),
-                                                                  candidate.region->region().config().sparse_infill_pattern.value,
-                                                                  candidate.region->region().config().infill_direction.value);
-                    } else {
-                        // use expansion boundaries as anchors.
-                        // Also, use Infill pattern that is neutral for angle determination, since there are no infill lines.
-                        bridging_angle = determine_bridging_angle(area_to_be_bridge, to_lines(boundary_plines), InfillPattern::ipLine, 0);
+                    double bridging_angle = -1.;
+                    if (!anchors.empty() && turning_pattern) {
+                        // Orca: Keep adjacent bridges over Hilbert/Octagram aligned despite
+                        // their many local turning directions. Use the lower layer's rotation,
+                        // since that is the infill supporting the bridge, not the current layer's.
+                        for (const LayerRegion *lower_region : layer->lower_layer->regions()) {
+                            // Orca: Apply the configured direction only if the same region has
+                            // sparse infill below this bridge. A height modifier may put another
+                            // pattern underneath, requiring the geometry-based fallback below.
+                            if (&lower_region->region() != &candidate.region->region() ||
+                                intersection(area_to_be_bridge, to_polygons(lower_region->fill_surfaces.filter_by_type(stInternal))).empty())
+                                continue;
+                            bridging_angle = calculate_infill_rotation_angle(po, layer->lower_layer->id(), region_config.infill_direction.value,
+                                                                            region_config.sparse_infill_rotate_template.value) + 0.5 * PI;
+                            // Orca: Apply model alignment as infill generation does, then normalize
+                            // the undirected bridge angle to [0, PI), including negative rotations.
+                            if (region_config.align_infill_direction_to_model) {
+                                const auto &m = po->trafo().matrix();
+                                bridging_angle += std::atan2(double(m(1, 0)), double(m(0, 0)));
+                            }
+                            bridging_angle = std::fmod(bridging_angle, PI);
+                            if (bridging_angle < 0.)
+                                bridging_angle += PI;
+                            break;
+                        }
                     }
+                    // Orca: A different region below (e.g. a height modifier) needs the actual anchor
+                    // directions. When there are no sparse anchors, use the expansion boundaries.
+                    if (bridging_angle < 0.)
+                        bridging_angle = determine_bridging_angle(area_to_be_bridge, to_lines(anchors.empty() ? boundary_plines : anchors));
                     
-                    // ORCA: Internal bridge angle override
+                    // Orca: Preserve the user's absolute or relative internal bridge angle
+                    // override after automatic direction selection.
                     if (candidate.region->region().config().internal_bridge_angle.value > 0) {
-                        const auto  &region_config      = candidate.region->region().config();
                         const double custom_angle_rad   = Geometry::deg2rad(region_config.internal_bridge_angle.value);
                         if (region_config.relative_bridge_angle.value)
                             bridging_angle += custom_angle_rad;
@@ -3429,11 +3478,19 @@ void PrintObject::bridge_over_infill()
                         }
                     }
 
+                    // Orca: Changing the bridge direction must not change its physical supports.
+                    // Extend to actual sparse infill or the existing boundary anchors, never to
+                    // a synthetic grid that merely has the same nominal angle and spacing.
                     boundary_plines.insert(boundary_plines.end(), anchors.begin(), anchors.end());
                     if (!lightning_area.empty() && !intersection(area_to_be_bridge, lightning_area).empty()) {
                         boundary_plines = intersection_pl(boundary_plines, expand(area_to_be_bridge, scale_(10)));
                     }
-                    Polygons bridging_area = construct_anchored_polygon(area_to_be_bridge, to_lines(boundary_plines), flow, bridging_angle);
+                    // Orca: Use four samples per extrusion spacing for Hilbert/Octagram so the
+                    // reconstructed boundary follows rounded anchors instead of cutting corners.
+                    // Keep the original step for other patterns and at least one coordinate unit
+                    // after integer division. This changes boundary accuracy, not infill density.
+                    const coord_t scan_spacing = std::max(coord_t(1), flow.scaled_spacing() / (turning_pattern ? 4 : 1));
+                    Polygons bridging_area = construct_anchored_polygon(area_to_be_bridge, to_lines(boundary_plines), flow, bridging_angle, scan_spacing);
 
                     // Check collision with other expanded surfaces
                     {
@@ -3447,7 +3504,9 @@ void PrintObject::bridge_over_infill()
                             }
                         }
                         if (reconstruct) {
-                            bridging_area = construct_anchored_polygon(area_to_be_bridge, to_lines(boundary_plines), flow, bridging_angle);
+                            // Orca: Retain the same sampling accuracy when matching a nearby
+                            // bridge's direction; rebuilding must not lose the curved supports.
+                            bridging_area = construct_anchored_polygon(area_to_be_bridge, to_lines(boundary_plines), flow, bridging_angle, scan_spacing);
                         }
                     }
 
@@ -3455,6 +3514,13 @@ void PrintObject::bridge_over_infill()
                     // bridging_area         = opening(bridging_area, flow.scaled_spacing());
                     bridging_area          = opening(bridging_area, flow.scaled_spacing() * 0.75);
                     bridging_area          = closing(bridging_area, flow.scaled_spacing());
+                    // Orca: Opening/closing can pull rounded bridge ends away from their real
+                    // supports. Restore those contacts after smoothing, preserving the cleaned
+                    // area and the selected angle; do not smooth the restored contacts again.
+                    if (turning_pattern && !bridging_area.empty()) {
+                        bridging_area = union_(bridging_area, construct_anchored_polygon(bridging_area, to_lines(boundary_plines), flow,
+                                                                                       bridging_angle, scan_spacing, true));
+                    }
                     bridging_area          = intersection(bridging_area, limiting_area);
                     bridging_area          = intersection(bridging_area, total_fill_area);
                     bridging_area          = diff(bridging_area, total_top_area);

src/libslic3r/PublishSettings.cpp

@@ -0,0 +1,315 @@
+#include "PublishSettings.hpp"
+
+#include "PresetBundle.hpp"
+#include "Preset.hpp"
+#include "PrintConfig.hpp"
+#include "MaterialType.hpp"
+
+#include <boost/log/trivial.hpp>
+#include <boost/algorithm/string/trim.hpp>
+
+#include <map>
+#include <set>
+
+namespace Slic3r {
+
+std::string publish_base_key(const std::string &key)
+{
+    const size_t pos = key.find('#');
+    return pos == std::string::npos ? key : key.substr(0, pos);
+}
+
+// Parse the trailing "#N" variant index ("retraction_length#2" -> 2). Returns -1 when the key
+// carries no '#' separator or its suffix is malformed; mirrors the importer's strict parse
+// (PresetBundle.cpp) so the export side rejects the same variants the receiver would skip.
+static int publish_variant_index(const std::string &key, const std::string &base_key)
+{
+    if (key.size() <= base_key.size() || key.compare(0, base_key.size(), base_key) != 0 || key[base_key.size()] != '#')
+        return -1;
+    const std::string suffix = key.substr(base_key.size() + 1);
+    if (suffix.empty())
+        return -1;
+    int idx = 0;
+    for (const char c : suffix) {
+        if (c < '0' || c > '9')
+            return -1;
+        idx = idx * 10 + (c - '0');
+        if (idx > 1000000) // overflow guard; real vector sizes are tiny
+            return -1;
+    }
+    return idx;
+}
+
+std::string normalize_filament_type(const std::string& type)
+{
+    if (type.empty())
+        return type;
+    if (MaterialType::find(type) != nullptr)
+        return type;
+    // "PLA High Speed" -> "PLA": strip a space-separated modifier, but keep dash-separated
+    // types like "PA-CF" / "PETG-CF" intact (they are distinct materials, not modifiers).
+    const size_t sep = type.find(' ');
+    if (sep != std::string::npos) {
+        const std::string base = type.substr(0, sep);
+        if (MaterialType::find(base) != nullptr)
+            return base;
+    }
+    return type;
+}
+
+void make_publish_universal(DynamicPrintConfig &config)
+{
+    // Lists: empty => compatible with every printer / every print preset. Conditions:
+    // empty so a leftover expression left behind by the baseline clone can never
+    // re-narrow the match (see is_compatible_with_printer, Preset.cpp:840). All four
+    // keys exist on filament presets; nil-guard for hand-crafted future schemas.
+    if (auto *opt = config.opt<ConfigOptionStrings>("compatible_printers", false))
+        opt->values.clear();
+    if (auto *opt = config.opt<ConfigOptionStrings>("compatible_prints", false))
+        opt->values.clear();
+    if (auto *opt = config.opt<ConfigOptionString>("compatible_printers_condition", false))
+        opt->value.clear();
+    if (auto *opt = config.opt<ConfigOptionString>("compatible_prints_condition", false))
+        opt->value.clear();
+}
+
+std::string publish_material_base_name(const std::string &preset_name)
+{
+    if (preset_name.empty())
+        return preset_name;
+    const size_t at = preset_name.find('@');
+    std::string base = (at == std::string::npos) ? preset_name : preset_name.substr(0, at);
+    boost::trim_right(base);
+    return base;
+}
+
+const std::set<std::string>& publish_structural_keys()
+{
+    // Non-publishable keys: the *_settings_id keys are also in PresetCollection::skipped_in_dirty
+    // (Preset.cpp) / stripped from configs (profile_print_params_same); publishing them would
+    // rewrite the user's preset inheritance/structure.
+    static const std::set<std::string> structural_keys = {
+        "printer_settings_id", "filament_settings_id", "print_settings_id",
+        "sla_print_settings_id", "sla_material_settings_id",
+        "compatible_printers", "compatible_prints",
+        "compatible_printers_condition", "compatible_prints_condition",
+        "default_filament_profile", "default_print_profile",
+        "default_sla_print_profile", "default_sla_material_profile",
+        "extruder_count", "bed_shape",
+        "inherits", "inherits_group",
+        "printer_technology", "printer_model", "printer_variant",
+        "physical_printer_settings_id", "filament_ids",
+        "different_settings_to_system"
+    };
+    return structural_keys;
+}
+
+const std::set<std::string>& publish_mixed_keys()
+{
+    // Must match PresetBundle's s_project_options mixed-color group (PresetBundle.cpp): these
+    // are project-level parallel per-slot arrays, not filament-preset options, so the import
+    // material pass applies them into project_config instead of a filament preset config.
+    static const std::set<std::string> mixed_keys = {
+        "filament_is_mixed",
+        "filament_mixed_components",
+        "filament_mixed_sublayer_ratios",
+        "filament_mixed_gradient",
+        "filament_mixed_gradient_range",
+        "filament_mixed_gradient_curve",
+        "filament_mixed_gradient_per_part"
+    };
+    return mixed_keys;
+}
+
+// The printer tab's "Retraction" optgroup (TabPrinter::build_fff, Tab.cpp), in tab order.
+// KEEP IN SYNC with that optgroup: the published-3MF printer allowlist is built from these
+// lists, so any key shown there must be publishable here (and vice versa).
+const std::vector<PublishablePrinterOption>& publishable_printer_retraction_options()
+{
+    static const std::vector<PublishablePrinterOption> options = {
+        { "retraction_length",              "printer_extruder_retraction#length" },
+        { "retract_restart_extra",          "printer_extruder_retraction#extra-length-on-restart" },
+        { "retraction_speed",               "printer_extruder_retraction#retraction-speed" },
+        { "deretraction_speed",             "printer_extruder_retraction#deretraction-speed" },
+        { "retraction_minimum_travel",      "printer_extruder_retraction#travel-distance-threshold" },
+        { "retract_when_changing_layer",    "printer_extruder_retraction#retract-on-layer-change" },
+        { "wipe",                           "printer_extruder_retraction#wipe-while-retracting" },
+        { "wipe_distance",                  "printer_extruder_retraction#wipe-distance" },
+        { "retract_before_wipe",            "printer_extruder_retraction#retract-amount-before-wipe" },
+        { "retract_after_wipe",             "printer_extruder_retraction#retract-amount-after-wipe" },
+    };
+    return options;
+}
+
+// The printer tab's "Z-Hop" optgroup (TabPrinter::build_fff, Tab.cpp), in tab order. KEEP IN
+// SYNC with that optgroup, same as publishable_printer_retraction_options().
+const std::vector<PublishablePrinterOption>& publishable_printer_z_hop_options()
+{
+    static const std::vector<PublishablePrinterOption> options = {
+        { "retract_lift_enforce", "printer_extruder_z_hop#on-surfaces" },
+        { "z_hop_types",          "printer_extruder_z_hop#z-hop-type" },
+        { "z_hop",                "printer_extruder_z_hop#z-hop-height" },
+        { "travel_slope",         "printer_extruder_z_hop#traveling-angle" },
+        { "retract_lift_above",   "printer_extruder_z_hop#only-lift-z-above" },
+        { "retract_lift_below",   "printer_extruder_z_hop#only-lift-z-below" },
+    };
+    return options;
+}
+
+const std::set<std::string>& publishable_printer_keys()
+{
+    // Union of the two optgroups; "Retraction when switching material" keys are excluded
+    // (toolchange retraction is device/profile territory, not a publishable behavior tweak).
+    static const std::set<std::string> printer_keys = [] {
+        std::set<std::string> keys;
+        for (const PublishablePrinterOption &opt : publishable_printer_retraction_options())
+            keys.insert(opt.key);
+        for (const PublishablePrinterOption &opt : publishable_printer_z_hop_options())
+            keys.insert(opt.key);
+        return keys;
+    }();
+    return printer_keys;
+}
+
+std::vector<std::string> collect_dirty_settings_keys(const PresetBundle& bundle)
+{
+    std::set<std::string> keys;
+
+    // Union the dirty keys of each collection's edited preset (filaments may span multiple
+    // slots); feeds only the Publish dialog's pre-check.
+    for (const std::string& key : bundle.prints.current_dirty_options(true))
+        keys.insert(key);
+    for (const std::string& key : bundle.printers.current_dirty_options(true))
+        keys.insert(key);
+    for (const std::string& key : bundle.filaments.current_dirty_options(true))
+        keys.insert(key);
+
+    return std::vector<std::string>(keys.begin(), keys.end());
+}
+
+DynamicPrintConfig filter_published_config(
+    const DynamicPrintConfig &full_config,
+    const std::vector<std::string> &published_keys,
+    const std::vector<PublishedMaterialEntry> &material_keys)
+{
+    DynamicPrintConfig filtered;
+
+    std::set<std::string> base_keys_to_include;
+    // Never masked (whole-vector serialization): identity, plate geometry, process keys and
+    // printer keys without a "#N" variant.
+    std::set<std::string>         mask_exempt_keys;
+    // Material entries: base key -> author slots whose values must survive; other slots are
+    // masked to their defaults so a publish (partial or full) does not leak unrelated slot
+    // data.
+    std::map<std::string, std::set<int>> slot_mask_map;
+
+    // 1. Mandatory material identity & slot count keys for 3MF validation/normalization
+    // (filament_ids: exported for validation, denylisted on apply - see publish_structural_keys).
+    static const std::vector<std::string> s_material_identity_keys = {
+        "filament_colour",
+        "filament_type",
+        "filament_vendor",
+        "filament_ids",
+        "filament_diameter",
+        "filament_self_index",
+        "filament_extruder_variant"
+    };
+    for (const std::string &key : s_material_identity_keys) {
+        base_keys_to_include.insert(key);
+        mask_exempt_keys.insert(key);
+    }
+
+    // 2. Published plate / bed geometry keys (wipe tower positioning)
+    static const std::vector<std::string> s_plate_geometry_keys = {
+        "wipe_tower_x",
+        "wipe_tower_y",
+        "wipe_tower_rotation_angle"
+    };
+    for (const std::string &key : s_plate_geometry_keys) {
+        base_keys_to_include.insert(key);
+        mask_exempt_keys.insert(key);
+    }
+
+    // 3. Process and printer published keys. Printer per-extruder keys carry a "#N" variant
+    // (e.g. retraction_length#2): mask the base to the author's extruder index so a partial
+    // publish does not serialize every extruder's value (same slot-masking as the material side).
+    const std::set<std::string> &printer_keys = publishable_printer_keys();
+    for (const std::string &key : published_keys) {
+        const std::string base_key = publish_base_key(key);
+        if (base_key.empty())
+            continue;
+        base_keys_to_include.insert(base_key);
+        if (printer_keys.count(base_key) != 0) {
+            const int variant_idx = publish_variant_index(key, base_key);
+            if (variant_idx >= 0)
+                slot_mask_map[base_key].insert(variant_idx);
+            else
+                mask_exempt_keys.insert(base_key); // bare printer key or malformed variant: whole vector
+        } else {
+            mask_exempt_keys.insert(base_key); // process key: whole vector
+        }
+    }
+
+    // 4. Material-specific published keys. Both partial (entry.keys) and full-publish
+    // (entry.full_keys) entries mask to the author's slot on export (see the copy loop below);
+    // slot-less entries (hand-crafted files) stay unmasked (whole vector).
+    for (const PublishedMaterialEntry &entry : material_keys) {
+        for (const std::string &key : entry.keys) {
+            const std::string base_key = publish_base_key(key);
+            if (base_key.empty())
+                continue;
+            base_keys_to_include.insert(base_key);
+            if (entry.slot >= 0)
+                slot_mask_map[base_key].insert(entry.slot);
+        }
+        for (const std::string &key : entry.full_keys) {
+            const std::string base_key = publish_base_key(key);
+            if (base_key.empty())
+                continue;
+            base_keys_to_include.insert(base_key);
+            if (entry.slot >= 0)
+                slot_mask_map[base_key].insert(entry.slot);
+        }
+    }
+
+    // Masking restores every non-published slot of a vector option with the option default, so
+    // a partial publish does not leak unrelated slot data. can_mask_slots reports whether a key
+    // is maskable at all (vector option plus a registered default of the same type); an
+    // unmaskable key is dropped from the payload entirely instead of shipping the author's
+    // whole vector.
+    auto can_mask_slots = [](const ConfigOption &opt, const ConfigOptionDef *def) -> bool {
+        if (def == nullptr || !def->default_value || def->default_value->type() != opt.type())
+            return false;
+        const auto *vec         = dynamic_cast<const ConfigOptionVectorBase *>(&opt);
+        const auto *default_vec = dynamic_cast<const ConfigOptionVectorBase *>(def->default_value.get());
+        return vec != nullptr && vec->size() > 0 && default_vec != nullptr && !default_vec->empty();
+    };
+    auto mask_slots = [](ConfigOption &opt, const ConfigOptionDef *def, const std::set<int> &keep_slots) {
+        auto *vec = dynamic_cast<ConfigOptionVectorBase*>(&opt);
+        for (size_t idx = 0; idx < vec->size(); ++idx)
+            if (keep_slots.count(static_cast<int>(idx)) == 0)
+                vec->set_at(def->default_value.get(), idx, 0);
+    };
+
+    // Copy the selected options from full_config into the filtered config.
+    for (const std::string &key : base_keys_to_include) {
+        const ConfigOption *opt = full_config.option(key);
+        if (opt == nullptr)
+            continue;
+        const auto  mask_it       = slot_mask_map.find(key);
+        const bool  needs_masking = mask_exempt_keys.count(key) == 0 && mask_it != slot_mask_map.end() && !mask_it->second.empty();
+        if (needs_masking && !can_mask_slots(*opt, print_config_def.get(key))) {
+            BOOST_LOG_TRIVIAL(warning) << "publish: dropping unmaskable key \"" << key
+                                       << "\" from the published payload (no usable option default)";
+            continue;
+        }
+        ConfigOption *cloned = opt->clone();
+        if (needs_masking)
+            mask_slots(*cloned, print_config_def.get(key), mask_it->second);
+        filtered.set_key_value(key, cloned);
+    }
+
+    return filtered;
+}
+
+} // namespace Slic3r

src/libslic3r/PublishSettings.hpp

@@ -0,0 +1,99 @@
+#pragma once
+#include <set>
+#include <string>
+#include <vector>
+
+namespace Slic3r {
+class PresetBundle;
+
+// Strip a trailing "#N" variant suffix ("retraction_length#2" -> "retraction_length").
+std::string publish_base_key(const std::string &key);
+
+// Structural keys that are never applied onto the receiver's presets when loading a published
+// 3MF (single source of truth for the denylist); applying them would rewrite the user's preset
+// inheritance/structure. filament_ids is still exported via the identity list (3MF validation
+// needs it) - exported, never applied.
+const std::set<std::string>& publish_structural_keys();
+
+// The mixed-color filament project keys (parallel per-slot arrays, see PresetBundle's
+// s_project_options). Import applies them into project_config, not a filament preset.
+const std::set<std::string>& publish_mixed_keys();
+
+// One row of the printer tab's "Retraction" / "Z-Hop" optgroups (config key + tab icon id).
+struct PublishablePrinterOption {
+    const char *key;  // config key, e.g. "retraction_length"
+    const char *icon; // tab icon id, e.g. "printer_extruder_retraction#length"
+};
+
+// The printer tab's "Retraction" / "Z-Hop" optgroup options, in tab order.
+const std::vector<PublishablePrinterOption>& publishable_printer_retraction_options();
+const std::vector<PublishablePrinterOption>& publishable_printer_z_hop_options();
+
+// Union of the two optgroup option lists; printer keys apply on import only if their base
+// key is in this allowlist.
+const std::set<std::string>& publishable_printer_keys();
+
+// Union of setting keys differing from the base/system preset across the current print,
+// printer and filament presets (feeds the Publish dialog's pre-check).
+std::vector<std::string> collect_dirty_settings_keys(const PresetBundle& bundle);
+
+// Per-slot published material keys, applied positionally (author slot N -> receiver slot N).
+// The identity fields drive the created copy's naming and grouping on Full entries, the
+// notification labels, and the partial type gate (publish_type) is the author's explicit
+// opt-in for requiring a material type.
+struct PublishedMaterialEntry {
+    std::string filament_type;   // material family, e.g. "PLA" (may be empty)
+    std::string filament_vendor; // e.g. "Generic", "Bambu" (may be empty)
+    std::string filament_id;     // stable material id, e.g. "GFL99" (may be empty)
+    // Unique preset id of the author's slot preset (e.g. Orca Filament Library "setting_id").
+    // Not matched against the receiver's library; carried so identical Full entries within one
+    // load share one created instance (within-load dedup key).
+    std::string setting_id;
+    // Canonical name of the author's slot preset (e.g. "Generic PLA @System"). On Full import
+    // it names the created copy after its "@variant" tail is stripped; never matched against
+    // the receiver's library.
+    std::string preset_name;
+    // 0-based author filament slot; -1 (hand-crafted files) is skipped.
+    int         slot{-1};
+    std::vector<std::string> keys;
+    // "Full Publish": the whole filament preset (full_keys) is published. On the receiver Full
+    // Publish always creates a standalone parentless copy (libslic3r's "Detach from parent"),
+    // universally compatible and project-embedded only - never written to the user's library.
+    // Identical Full entries within one load share one created instance (within-load dedup).
+    bool full{false};
+    // All non-structural filament keys of the author's slot preset; values travel in the file
+    // config, masked to the author's slot index.
+    std::vector<std::string> full_keys;
+    // Vendor-agnostic (MaterialType) filament type the author requires for this slot; on a
+    // partial entry's mismatch the slot is replaced with a same-type filament. Full entries
+    // consult no gate.
+    bool publish_type{false};
+    std::string publish_type_value;
+    // Required filament colour, applied on load regardless of the type match.
+    bool publish_color{false};
+    std::string color;
+    // Import-side only, never serialized: the authored slot sits past the receiver's physical
+    // capacity, so the entry is appended as an empty mixed-filament placeholder (virtual tail
+    // slot; the GUI flags it for the user to assign components).
+    bool mixed_placeholder{false};
+};
+
+// "PLA High Speed" -> "PLA" (strip a space modifier); dash types like "PA-CF" are kept intact.
+std::string normalize_filament_type(const std::string& type);
+
+class DynamicPrintConfig;
+// Clear the compatibility lists/conditions on a filament config so it is universally
+// compatible once detached (empty lists + empty conditions = compatible with everything).
+void make_publish_universal(DynamicPrintConfig &config);
+
+// Naming base for a detached published-material copy: "Generic PLA @System" -> "Generic PLA"
+// (truncate/right-trim at the first '@' tail). Empty result means "fall back to identity".
+std::string publish_material_base_name(const std::string &preset_name);
+
+// Minimal DynamicPrintConfig for a published 3MF export: only the selected published keys,
+// material keys, identity fields and plate geometry keys.
+DynamicPrintConfig filter_published_config(
+    const DynamicPrintConfig &full_config,
+    const std::vector<std::string> &published_keys,
+    const std::vector<PublishedMaterialEntry> &material_keys);
+}

src/libslic3r/SLA/Hollowing.cpp

@@ -1,4 +1,5 @@
 #include <functional>
+#include <numeric>
 #include <optional>
 
 #include <libslic3r/OpenVDBUtils.hpp>

src/libslic3r/SLAPrint.cpp

@@ -1007,7 +1007,9 @@ bool SLAPrintObject::invalidate_step(SLAPrintObjectStep step)
 
 bool SLAPrintObject::invalidate_all_steps()
 {
-    return Inherited::invalidate_all_steps() | m_print->invalidate_all_steps();
+    const bool inherited_invalidated = Inherited::invalidate_all_steps();
+    const bool print_invalidated     = m_print->invalidate_all_steps();
+    return inherited_invalidated || print_invalidated;
 }
 
 double SLAPrintObject::get_elevation() const {

src/libslic3r/Support/SupportCommon.cpp

@@ -65,11 +65,13 @@ std::pair<SupportGeneratorLayersPtr, SupportGeneratorLayersPtr> generate_interfa
         const bool                 smooth_supports        = support_params.support_style != smsGrid;
         SupportGeneratorLayersPtr &interface_layers       = base_and_interface_layers.first;
         SupportGeneratorLayersPtr &base_interface_layers  = base_and_interface_layers.second;
-        // The user-facing interface layer counts include the contact layer. Internally,
-        // contact layers are generated separately, so only the remaining layers are
-        // projected into intermediate interface/base-interface layers here.
-        const size_t num_top_interface_layers    = support_params.has_top_contacts    ? support_params.num_top_interface_layers    - 1 : 0;
-        const size_t num_bottom_interface_layers = support_params.has_bottom_contacts ? support_params.num_bottom_interface_layers - 1 : 0;
+        // Contacts printed separately consume one requested interface layer. Organic
+        // bottom contacts are projection seeds and are not printed separately.
+        const bool organic_tree = support_params.support_style == smsTreeOrganic;
+        const size_t num_top_interface_layers         = support_params.has_top_contacts ?
+                                                        support_params.num_top_interface_layers - 1 : 0;
+        const size_t num_bottom_interface_layers      = support_params.has_bottom_contacts ?
+                                                        support_params.num_bottom_interface_layers - (organic_tree ? 0 : 1) : 0;
         const size_t num_top_base_interface_layers    = std::min(support_params.num_top_base_interface_layers,    num_top_interface_layers);
         const size_t num_bottom_base_interface_layers = std::min(support_params.num_bottom_base_interface_layers, num_bottom_interface_layers);
         const size_t num_top_interface_layers_only    = num_top_interface_layers    - num_top_base_interface_layers;
@@ -1652,28 +1654,32 @@ void generate_support_toolpaths(
                 if (top_contact_layer.could_merge(interface_layer) && ! raft_layer)
                     top_contact_layer.merge(std::move(interface_layer));
             }
-            if (!bottom_interfaces && support_params.can_merge_support_regions) {
-                if (base_layer.could_merge(bottom_contact_layer))
-                    base_layer.merge(std::move(bottom_contact_layer));
-                else if (base_layer.empty() && ! bottom_contact_layer.empty() && ! bottom_contact_layer.layer->bridging)
-                    base_layer = std::move(bottom_contact_layer);
-            } else if (bottom_contact_layer.could_merge(top_contact_layer) && ! raft_layer) {
-                if (top_interfaces && bottom_interfaces) {
-                    top_contact_layer.merge(std::move(bottom_contact_layer));
-                } else if (bottom_interfaces) {
-                    top_contact_layer.set_polygons_to_extrude(
-                        diff(top_contact_layer.polygons_to_extrude(), bottom_contact_layer.polygons_to_extrude()));
-                } else {
-                    bottom_contact_layer.set_polygons_to_extrude(
-                        diff(bottom_contact_layer.polygons_to_extrude(), top_contact_layer.polygons_to_extrude()));
-                }
-            } else if (bottom_contact_layer.could_merge(interface_layer) && ! organic_tree) {
-                const bool interface_layer_is_bottom = interface_layer.layer->layer_type == SupporLayerType::BottomInterface;
-                if (bottom_interfaces && interface_layer_is_bottom) {
-                    bottom_contact_layer.merge(std::move(interface_layer));
-                } else {
-                    bottom_contact_layer.set_polygons_to_extrude(
-                        diff(bottom_contact_layer.polygons_to_extrude(), interface_layer.polygons_to_extrude()));
+            // Orca: Organic bottom contacts are projection seeds, not same-layer toolpaths.
+            // Do not merge them into another same-layer support region.
+            if (!organic_tree) {
+                if (!bottom_interfaces && support_params.can_merge_support_regions) {
+                    if (base_layer.could_merge(bottom_contact_layer))
+                        base_layer.merge(std::move(bottom_contact_layer));
+                    else if (base_layer.empty() && ! bottom_contact_layer.empty() && ! bottom_contact_layer.layer->bridging)
+                        base_layer = std::move(bottom_contact_layer);
+                } else if (bottom_contact_layer.could_merge(top_contact_layer) && ! raft_layer) {
+                    if (top_interfaces && bottom_interfaces) {
+                        top_contact_layer.merge(std::move(bottom_contact_layer));
+                    } else if (bottom_interfaces) {
+                        top_contact_layer.set_polygons_to_extrude(
+                            diff(top_contact_layer.polygons_to_extrude(), bottom_contact_layer.polygons_to_extrude()));
+                    } else {
+                        bottom_contact_layer.set_polygons_to_extrude(
+                            diff(bottom_contact_layer.polygons_to_extrude(), top_contact_layer.polygons_to_extrude()));
+                    }
+                } else if (bottom_contact_layer.could_merge(interface_layer)) {
+                    const bool interface_layer_is_bottom = interface_layer.layer->layer_type == SupporLayerType::BottomInterface;
+                    if (bottom_interfaces && interface_layer_is_bottom) {
+                        bottom_contact_layer.merge(std::move(interface_layer));
+                    } else {
+                        bottom_contact_layer.set_polygons_to_extrude(
+                            diff(bottom_contact_layer.polygons_to_extrude(), interface_layer.polygons_to_extrude()));
+                    }
                 }
             }
 

src/libslic3r/Support/SupportMaterial.cpp

@@ -333,8 +333,7 @@ PrintObjectSupportMaterial::PrintObjectSupportMaterial(const PrintObject *object
     m_print_config          (&object->print()->config()),
     m_object_config         (&object->config()),
     m_slicing_params        (slicing_params),
-    m_support_params        (*object),
-	m_object                (object)
+    m_support_params        (*object)
 {
 }
 

src/libslic3r/Support/SupportMaterial.hpp

@@ -86,7 +86,6 @@ private:
 */
 
 	// Following objects are not owned by SupportMaterial class.
-	const PrintObject 		*m_object;
 	const PrintConfig 		*m_print_config;
 	const PrintObjectConfig *m_object_config;
 	// Pre-calculated parameters shared between the object slicer and the support generator,

src/libslic3r/Support/SupportParameters.hpp

@@ -141,6 +141,8 @@ struct SupportParameters {
             this->contact_fill_pattern = ipGrid;
         else if (object_config.support_interface_pattern == smipRectilinearInterlaced)
             this->contact_fill_pattern = ipRectilinear;
+        else if (object_config.support_interface_pattern == smipSpiralInset)
+            this->contact_fill_pattern = ipSpiralInset;
         else
             this->contact_fill_pattern =
             (object_config.support_interface_pattern == smipAuto && zero_gap_contact_interface) ||

src/libslic3r/Support/TreeModelVolumes.cpp

@@ -32,7 +32,7 @@ namespace Slic3r::TreeSupport3D
 using namespace std::literals;
 
 // or warning
-// had to use a define beacuse the macro processing inside macro BOOST_LOG_TRIVIAL()
+// had to use a define because the macro processing inside macro BOOST_LOG_TRIVIAL()
 #define error_level_not_in_cache debug
 
 //FIXME Machine border is currently ignored.

src/libslic3r/Support/TreeSupport.cpp

@@ -2846,7 +2846,9 @@ void TreeSupport::drop_nodes()
             const MinimumSpanningTree& mst = spanning_trees[group_index];
             //In the first pass, merge all nodes that are close together.
             std::vector<std::pair<const Point, SupportNode*>> nodes_vec(nodes_this_part.begin(), nodes_this_part.end());
-            tbb::parallel_for_each(nodes_vec.begin(), nodes_vec.end(), [&](const std::pair<const Point, SupportNode*>& entry) {
+            // Sequential: nodes merge into and invalidate each other in place, so parallel execution
+            // makes the merge order (and thus the result) depend on thread scheduling.
+            std::for_each(nodes_vec.begin(), nodes_vec.end(), [&](const std::pair<const Point, SupportNode*>& entry) {
                 SupportNode* p_node = entry.second;
                 SupportNode& node = *p_node;
                 if (!p_node->valid)
@@ -2934,7 +2936,32 @@ void TreeSupport::drop_nodes()
             );
 
             //In the second pass, move all middle nodes.
-            tbb::parallel_for_each(nodes_vec.begin(), nodes_vec.end(), [&](const std::pair<const Point, SupportNode*>& entry) {
+            // Still parallel: this pass only reads other nodes. Side effects (invalidation, new
+            // nodes, contact_nodes/unsupported_branch_leaves updates) are recorded per node and
+            // applied afterwards in node order. Node creation must be deferred too, since
+            // SupportNode's constructor writes `parent->child = this` on other nodes.
+            struct PendingNode {
+                Point        position;
+                int          distance_to_top           = 0;
+                int          support_roof_layers_below = 0;
+                bool         to_buildplate             = false;
+                SupportNode *parent                    = nullptr;
+                bool         zero_max_move             = false;
+                bool         has_overhang              = false;
+                ExPolygon    overhang;
+                bool         clamp_radius              = false;
+                coordf_t     parent_radius             = 0;
+                double       dist_to_outer             = 0;
+            };
+            struct PassTwoResult {
+                bool                     invalidate       = false;
+                bool                     unsupported_leaf = false;
+                std::vector<PendingNode> pending;
+            };
+            std::vector<PassTwoResult> pass2_results(nodes_vec.size());
+            auto pass2_body = [&](size_t node_idx) {
+                const std::pair<const Point, SupportNode*>& entry = nodes_vec[node_idx];
+                PassTwoResult& pass2_out = pass2_results[node_idx];
 
                 SupportNode* p_node = entry.second;
                 const SupportNode& node = *p_node;
@@ -2949,14 +2976,16 @@ void TreeSupport::drop_nodes()
                     ExPolygons overhangs_next = diff_clipped({ node.overhang }, get_collision(0, obj_layer_nr_next));
                     for(auto& overhang:overhangs_next) {
                         Point        next_pt     = overhang.contour.centroid();
-                        SupportNode *next_node   = m_ts_data->create_node(next_pt, p_node->distance_to_top + 1, obj_layer_nr_next,
-                                                                          p_node->support_roof_layers_below - (p_node->distance_to_top >= 0 ? 1 : 0),
-                                                                          to_buildplate, p_node, print_z_next, height_next);
-                        next_node->max_move_dist = 0;
-                        next_node->overhang = std::move(overhang);
-                        m_ts_data->m_mutex.lock();
-                        contact_nodes[layer_nr_next].emplace_back(next_node);
-                        m_ts_data->m_mutex.unlock();
+                        PendingNode pending;
+                        pending.position                  = next_pt;
+                        pending.distance_to_top           = p_node->distance_to_top + 1;
+                        pending.support_roof_layers_below = p_node->support_roof_layers_below - (p_node->distance_to_top >= 0 ? 1 : 0);
+                        pending.to_buildplate             = to_buildplate;
+                        pending.parent                    = p_node;
+                        pending.zero_max_move             = true;
+                        pending.has_overhang              = true;
+                        pending.overhang                  = std::move(overhang);
+                        pass2_out.pending.emplace_back(std::move(pending));
 
                     }
                     return;
@@ -2973,17 +3002,17 @@ void TreeSupport::drop_nodes()
                     {
                         if (support_on_buildplate_only)
                         {
-                            unsupported_branch_leaves.push_front({ layer_nr, p_node });
+                            pass2_out.unsupported_leaf = true;
                         }
                         else {
-                            p_node->valid = false;
+                            pass2_out.invalidate = true;
                         }
                         return;
                     }
                     // if the link between parent and current is cut by contours, mark current as bottom contact node
                     if (p_node->parent && intersection_ln({p_node->position, p_node->parent->position}, layer_contours).empty()==false)
                     {
-                        p_node->valid = false;
+                        pass2_out.invalidate = true;
                         return;
                     }
                 }
@@ -3096,20 +3125,47 @@ void TreeSupport::drop_nodes()
                 }
                 auto              next_collision = get_collision(0, obj_layer_nr_next);
                 const bool   to_buildplate  = !is_inside_ex(m_ts_data->m_layer_outlines[obj_layer_nr_next], next_layer_vertex);
-                SupportNode *     next_node     = m_ts_data->create_node(next_layer_vertex, node.distance_to_top + 1, obj_layer_nr_next,
-                    node.support_roof_layers_below - (node.distance_to_top >= 0 ? 1 : 0),
-                    to_buildplate, p_node, print_z_next, height_next);
                 // don't increase radius if next node will collide partially with the object (STUDIO-7883)
-                to_outside             = projection_onto(next_collision, next_node->position);
+                to_outside             = projection_onto(next_collision, next_layer_vertex);
                 direction_to_outer     = to_outside - node.position;
                 double dist_to_outer   = unscale_(direction_to_outer.cast<double>().norm());
-                next_node->radius      = std::max(node.radius, std::min(next_node->radius, dist_to_outer));
-                get_max_move_dist(next_node);
-                m_ts_data->m_mutex.lock();
-                contact_nodes[layer_nr_next].push_back(next_node);
-                m_ts_data->m_mutex.unlock();
+                PendingNode pending;
+                pending.position                  = next_layer_vertex;
+                pending.distance_to_top           = node.distance_to_top + 1;
+                pending.support_roof_layers_below = node.support_roof_layers_below - (node.distance_to_top >= 0 ? 1 : 0);
+                pending.to_buildplate             = to_buildplate;
+                pending.parent                    = p_node;
+                pending.clamp_radius              = true;
+                pending.parent_radius             = node.radius;
+                pending.dist_to_outer             = dist_to_outer;
+                pass2_out.pending.emplace_back(std::move(pending));
+            };
+            tbb::parallel_for(tbb::blocked_range<size_t>(0, nodes_vec.size()),
+                [&pass2_body](const tbb::blocked_range<size_t>& node_range) {
+                    for (size_t node_idx = node_range.begin(); node_idx < node_range.end(); ++ node_idx)
+                        pass2_body(node_idx);
+                });
+            // Apply the recorded side effects in node order.
+            for (size_t node_idx = 0; node_idx < nodes_vec.size(); ++ node_idx) {
+                PassTwoResult& pass2_out = pass2_results[node_idx];
+                for (PendingNode& pending : pass2_out.pending) {
+                    SupportNode* next_node = m_ts_data->create_node(pending.position, pending.distance_to_top, obj_layer_nr_next,
+                        pending.support_roof_layers_below, pending.to_buildplate, pending.parent, print_z_next, height_next);
+                    if (pending.zero_max_move)
+                        next_node->max_move_dist = 0;
+                    if (pending.has_overhang)
+                        next_node->overhang = std::move(pending.overhang);
+                    if (pending.clamp_radius) {
+                        next_node->radius = std::max(pending.parent_radius, std::min(next_node->radius, pending.dist_to_outer));
+                        get_max_move_dist(next_node);
+                    }
+                    contact_nodes[layer_nr_next].push_back(next_node);
+                }
+                if (pass2_out.unsupported_leaf)
+                    unsupported_branch_leaves.push_front({ layer_nr, nodes_vec[node_idx].second });
+                if (pass2_out.invalidate)
+                    nodes_vec[node_idx].second->valid = false;
             }
-            );
         }
 
 #ifdef SUPPORT_TREE_DEBUG_TO_SVG

src/libslic3r/Support/TreeSupport.hpp

@@ -432,7 +432,6 @@ private:
     size_t          m_highest_overhang_layer = 0;
     std::vector<std::vector<MinimumSpanningTree>> m_spanning_trees;
     std::vector< std::unordered_map<Line, bool, LineHash>> m_mst_line_x_layer_contour_caches;
-    float    DO_NOT_MOVER_UNDER_MM = 0.0;
     coordf_t base_radius                        = 0.0;
     const coordf_t MAX_BRANCH_RADIUS = 10.0;
     const coordf_t MIN_BRANCH_RADIUS = 0.4;

src/libslic3r/Support/TreeSupport3D.cpp

@@ -2382,13 +2382,10 @@ static void merge_influence_areas(
     size_t num_buckets_initial;
     {
         // How many buckets per first merge iteration?
-        const size_t num_threads     = tbb::this_task_arena::max_concurrency();
-        // 4 buckets per thread if possible,
-        const size_t num_buckets_min = (input_size + 2) / 4;
-        // 2 buckets per thread otherwise.
-        const size_t num_buckets_max = input_size / 2;
-        num_buckets_initial          = num_buckets_min >= num_threads ? num_buckets_min : num_buckets_max;
-        const size_t bucket_size     = num_buckets_min >= num_threads ? 4 : 2;
+        // Fixed at 4: merging is not associative, so sizing buckets off max_concurrency() made
+        // results depend on the core count of the slicing machine.
+        const size_t bucket_size     = 4;
+        num_buckets_initial          = (input_size + 2) / 4;
         // Fill in the buckets.
         SupportElementMerging *it = influence_areas.data();
         // Reserve one more bucket to keep a single influence area which will not be merged in the first iteration.

src/libslic3r/Thread.cpp

@@ -30,6 +30,11 @@ static HMODULE					s_hKernel32 = nullptr;
 static SetThreadDescriptionType s_fnSetThreadDescription = nullptr;
 static GetThreadDescriptionType	s_fnGetThreadDescription = nullptr;
 
+// Convert the FARPROC from GetProcAddress to Fn through a generic function pointer.
+template<typename Fn> static Fn load_proc(HMODULE module, const char* name) {
+	return reinterpret_cast<Fn>(reinterpret_cast<void(*)()>(::GetProcAddress(module, name)));
+}
+
 static bool WindowsGetSetThreadNameAPIInitialize()
 {
 	if (! s_SetGetThreadDescriptionInitialized) {
@@ -37,8 +42,8 @@ static bool WindowsGetSetThreadNameAPIInitialize()
 		// to initialize 
 		s_hKernel32 = LoadLibraryW(L"Kernel32.dll");
 		if (s_hKernel32) {
-			s_fnSetThreadDescription = (SetThreadDescriptionType)::GetProcAddress(s_hKernel32, "SetThreadDescription");
-			s_fnGetThreadDescription = (GetThreadDescriptionType)::GetProcAddress(s_hKernel32, "GetThreadDescription");
+			s_fnSetThreadDescription = load_proc<SetThreadDescriptionType>(s_hKernel32, "SetThreadDescription");
+			s_fnGetThreadDescription = load_proc<GetThreadDescriptionType>(s_hKernel32, "GetThreadDescription");
 		}
 		s_SetGetThreadDescriptionInitialized = true;
 	}

src/libslic3r/TriangleMeshSlicer.cpp

@@ -12,6 +12,7 @@
 #include <deque>
 #include <queue>
 #include <mutex>
+#include <tuple>
 #include <utility>
 
 #include <boost/log/trivial.hpp>
@@ -607,6 +608,17 @@ static inline std::vector<IntersectionLines> slice_make_lines(
             }
         }
     );
+    // Facet processing above is parallel, so per-layer line order depends on thread scheduling,
+    // and make_loops() derives island order and loop start vertices from it. Sort canonically;
+    // edge_type and flags only break ties, std::sort being unstable.
+    tbb::parallel_for(tbb::blocked_range<size_t>(0, lines.size()),
+        [&lines](const tbb::blocked_range<size_t> &range) {
+            for (size_t i = range.begin(); i < range.end(); ++ i)
+                std::sort(lines[i].begin(), lines[i].end(), [](const IntersectionLine &l, const IntersectionLine &r) {
+                    return std::make_tuple(l.edge_a_id, l.edge_b_id, l.a_id, l.b_id, l.a.x(), l.a.y(), l.b.x(), l.b.y(), l.edge_type, l.flags) <
+                           std::make_tuple(r.edge_a_id, r.edge_b_id, r.a_id, r.b_id, r.a.x(), r.a.y(), r.b.x(), r.b.y(), r.edge_type, r.flags);
+                });
+        });
     return lines;
 }
 

src/libslic3r/Utils.hpp

@@ -255,6 +255,10 @@ extern bool is_gallery_file(const std::string& path, char const* type);
 extern bool is_shapes_dir(const std::string& dir);
 //BBS: add json support
 extern bool is_json_file(const std::string& path);
+// True if rel_path is relative, has no ".." component and, joined to root, still resolves inside it.
+// Both '/' and '\\' are treated as separators on every platform, so an archive rejected on one OS
+// is rejected on all of them.
+extern bool is_path_within_root(const std::string &rel_path, const boost::filesystem::path &root);
 
 // Orca: custom protocal support utils
 inline bool is_orca_open(const std::string& url) { return boost::starts_with(url, "orcaslicer://open"); }

src/libslic3r/libslic3r.h

@@ -93,6 +93,9 @@ static constexpr double INSET_OVERLAP_TOLERANCE = 0.4;
 static constexpr double EXTERNAL_INFILL_MARGIN = 3;
 static constexpr double BRIDGE_INFILL_MARGIN = 1;
 static constexpr double WIPE_TOWER_MARGIN = 1.;
+// Margin for system placement of the wipe tower (defaults, re-placement, CLI). Positions
+// within WIPE_TOWER_MARGIN stay valid: a user drag down to that limit is respected.
+static constexpr double WIPE_TOWER_AUTO_MARGIN = 15.;
 //FIXME Better to use an inline function with an explicit return type.
 //inline coord_t scale_(coordf_t v) { return coord_t(floor(v / SCALING_FACTOR + 0.5f)); }
 #define scale_(val) ((val) / SCALING_FACTOR)

src/libslic3r/libslic3r_version.h.in

@@ -5,9 +5,6 @@
 #define SLIC3R_APP_KEY "@SLIC3R_APP_KEY@"
 #define SLIC3R_VERSION "@SLIC3R_VERSION@"
 #define SoftFever_VERSION "@SoftFever_VERSION@"
-#ifndef GIT_COMMIT_HASH
-    #define GIT_COMMIT_HASH "0000000" // 0000000 means uninitialized
-#endif
 #define SLIC3R_BUILD_ID "@SLIC3R_BUILD_ID@"
 //#define SLIC3R_RC_VERSION "@SLIC3R_VERSION@"
 #define BBL_INTERNAL_TESTING @BBL_INTERNAL_TESTING@

src/libslic3r/utils.cpp

@@ -961,7 +961,7 @@ CopyFileResult copy_file(const std::string &from, const std::string &to, std::st
     BOOL result = CopyFileW(src_wstr, dst_wstr, FALSE);
     if (!result) {
         DWORD errCode = GetLastError();
-        error_message = "Error: " + errCode;
+        error_message = "Error: " + std::to_string(errCode);
         ret = FAIL_COPY_FILE;
         goto __finished;
     }
@@ -1088,6 +1088,30 @@ bool is_json_file(const std::string& path)
 	return boost::iends_with(path, ".json");
 }
 
+bool is_path_within_root(const std::string &rel_path, const boost::filesystem::path &root)
+{
+    auto is_separator = [](char c) { return c == '/' || c == '\\'; };
+    if (rel_path.empty() || is_separator(rel_path.front()) || (rel_path.size() > 1 && rel_path[1] == ':'))
+        return false;
+    for (size_t start = 0; start <= rel_path.size();) {
+        size_t end = start;
+        while (end < rel_path.size() && !is_separator(rel_path[end]))
+            ++end;
+        if (rel_path.compare(start, end - start, "..") == 0)
+            return false;
+        start = end + 1;
+    }
+    // Resolve against the canonical root so a symlink inside it cannot lead back out.
+    try {
+        const std::string root_str = boost::filesystem::weakly_canonical(root).string();
+        const std::string full_str = boost::filesystem::weakly_canonical(root / rel_path).string();
+        return full_str.compare(0, root_str.size(), root_str) == 0 &&
+               (full_str.size() == root_str.size() || full_str[root_str.size()] == boost::filesystem::path::preferred_separator);
+    } catch (const boost::filesystem::filesystem_error &) {
+        return false;
+    }
+}
+
 bool is_img_file(const std::string &path)
 {
 	return boost::iends_with(path, ".png") || boost::iends_with(path, ".svg");

src/slic3r/CMakeLists.txt

@@ -63,6 +63,8 @@ set(SLIC3R_GUI_SOURCES
     GUI/BitmapComboBox.hpp
     GUI/BonjourDialog.cpp
     GUI/BonjourDialog.hpp
+    GUI/BuildCommit.cpp
+    GUI/BuildCommit.hpp
     GUI/CrealityDiscoveryDialog.cpp
     GUI/CrealityDiscoveryDialog.hpp
     GUI/calib_dlg.cpp
@@ -95,6 +97,8 @@ set(SLIC3R_GUI_SOURCES
     GUI/CloneDialog.hpp
     GUI/ConfigManipulation.cpp
     GUI/ConfigManipulation.hpp
+    GUI/ConfigValueFormatter.cpp
+    GUI/ConfigValueFormatter.hpp
     GUI/ConfigWizard.cpp
     GUI/ConfigWizard.hpp
     GUI/ConfigWizard_private.hpp
@@ -452,6 +456,8 @@ set(SLIC3R_GUI_SOURCES
     GUI/Project.hpp
     GUI/PublishDialog.cpp
     GUI/PublishDialog.hpp
+    GUI/PublishSettingsDialog.cpp
+    GUI/PublishSettingsDialog.hpp
     GUI/PurgeModeDialog.cpp
     GUI/PurgeModeDialog.hpp
     GUI/RammingChart.cpp
@@ -855,6 +861,18 @@ source_group(TREE ${CMAKE_CURRENT_SOURCE_DIR} FILES ${SLIC3R_GUI_SOURCES})
 
 encoding_check(libslic3r_gui)
 
+# Only BuildCommit.cpp includes the generated header, plus BaseException.cpp on
+# Windows. Both build into libslic3r_gui, so the header only has to exist before
+# that target builds.
+set(_git_commit_hash_header "${CMAKE_CURRENT_BINARY_DIR}/git_commit_hash.h")
+add_custom_target(git_commit_hash_header
+    BYPRODUCTS "${_git_commit_hash_header}"
+    COMMAND ${CMAKE_COMMAND}
+        "-DSOURCE_DIR=${CMAKE_SOURCE_DIR}"
+        "-DOUT_FILE=${_git_commit_hash_header}"
+        -P "${CMAKE_CURRENT_LIST_DIR}/GitCommitHash.cmake"
+    COMMENT "Resolving the git commit hash")
+add_dependencies(libslic3r_gui git_commit_hash_header)
 
 if(APPLE AND CMAKE_VERSION VERSION_GREATER_EQUAL "4.0")
     set(_opengl_link_lib "")
@@ -912,6 +930,9 @@ endif ()
 
 if (SLIC3R_PCH AND NOT SLIC3R_SYNTAXONLY)
     add_precompiled_header(libslic3r_gui pchheader.hpp FORCEINCLUDE)
+elseif (MSVC)
+    # Puts the Windows headers first when the PCH is off.
+    target_compile_options(libslic3r_gui PRIVATE "/FIslic3r/win_platform.hpp")
 endif ()
 
 if (APPLE)
@@ -980,10 +1001,6 @@ endif ()
 # Add a definition so that we can tell we are compiling slic3r.
 target_compile_definitions(libslic3r_gui PRIVATE SLIC3R_CURRENTLY_COMPILING_GUI_MODULE)
 
-if(ORCA_BUNDLED_UV_EXECUTABLE_CONFIG)
-    target_compile_definitions(libslic3r_gui PRIVATE "ORCA_BUNDLED_UV_EXECUTABLE=\"${ORCA_BUNDLED_UV_EXECUTABLE_CONFIG}\"")
-endif()
-
 if (ORCA_BUILD_PYTHON_STUBGEN_MODULE)
     add_library(orca_stubgen MODULE
         plugin/PythonPluginBridge.cpp

src/slic3r/GUI/3DScene.cpp

@@ -20,6 +20,8 @@
 #include "libslic3r/AppConfig.hpp"
 #include "libslic3r/PresetBundle.hpp"
 #include "libslic3r/ClipperUtils.hpp"
+#include "libslic3r/GCode/WipeTower.hpp"
+#include "libslic3r/GCode/WipeTowerEstimate.hpp"
 #include "libslic3r/Tesselate.hpp"
 #include "libslic3r/PrintConfig.hpp"
 
@@ -919,6 +921,21 @@ int GLVolumeCollection::load_wipe_tower_preview(
     GUI::PartPlateList& ppl = GUI::wxGetApp().plater()->get_partplate_list();
     std::vector<int> plate_extruders = ppl.get_plate(plate_idx)->get_extruders(true);
     TriangleMesh wipe_tower_shell = make_cube(width, depth, height);
+    // The brim is part of the printed footprint: draw it and fold it into the shell so the
+    // outside-bed shader and the drag clamp react to the true first-layer extent.
+    const bool   show_brim   = brim_width > 0.f;
+    const float  brim_height = 0.2f; // one first layer, visual only
+    TriangleMesh brim_slab;
+    if (show_brim) {
+        // The brim follows the real first-layer outline: a Type2 cone-wall tower's base bulges
+        // past the body box. The wall type and angle are print settings, the planner a printer one.
+        const DynamicPrintConfig &print_cfg   = GUI::wxGetApp().preset_bundle->prints.get_edited_preset().config;
+        const DynamicPrintConfig &printer_cfg = GUI::wxGetApp().preset_bundle->printers.get_edited_preset().config;
+        const Polygon  outline      = estimate_wipe_tower_first_layer_outline(print_cfg, resolve_wipe_tower_type(printer_cfg), width, depth, height);
+        const Polygons brim_outline = offset(outline, scaled(brim_width));
+        brim_slab                   = WipeTower::its_make_rib_brim(brim_outline.empty() ? outline : brim_outline.front(), brim_height);
+        wipe_tower_shell.merge(brim_slab);
+    }
     for (int extruder_id : plate_extruders) {
         if (extruder_id <= extruder_colors.size())
             colors.push_back(extruder_colors[extruder_id - 1]);
@@ -929,14 +946,19 @@ int GLVolumeCollection::load_wipe_tower_preview(
     // Orca: make it transparent
     for(auto& color : colors)
         color.a(0.66f);
+    const size_t slab_count = colors.size(); // per-filament body slabs; the brim part comes after
+    if (show_brim && !colors.empty())
+        colors.push_back(colors.front());
     volumes.emplace_back(new GLWipeTowerVolume(colors));
     GLWipeTowerVolume& v = *dynamic_cast<GLWipeTowerVolume*>(volumes.back());
     v.model_per_colors.resize(colors.size());
-    for (int i = 0; i < colors.size(); i++) {
-        TriangleMesh color_part = make_cube(width, depth / colors.size(), height);
-        color_part.translate({ 0.f, depth * i / colors.size(), 0. });
+    for (size_t i = 0; i < slab_count; i++) {
+        TriangleMesh color_part = make_cube(width, depth / slab_count, height);
+        color_part.translate({ 0.f, depth * i / slab_count, 0. });
         v.model_per_colors[i].init_from(color_part);
     }
+    if (show_brim && !colors.empty())
+        v.model_per_colors[slab_count].init_from(brim_slab);
     v.model.init_from(wipe_tower_shell);
     v.mesh_raycaster = std::make_unique<GUI::MeshRaycaster>(std::make_shared<const TriangleMesh>(wipe_tower_shell));
     v.set_convex_hull(wipe_tower_shell);

src/slic3r/GUI/AMSDryControl.cpp

@@ -1,6 +1,7 @@
 #include "AMSDryControl.hpp"
 #include "slic3r/GUI/DeviceCore/DevFilaSystem.h"
 #include "GUI_App.hpp"
+#include "slic3r/Utils/NetworkAgent.hpp"
 #include "I18N.hpp"
 
 #include "slic3r/GUI/DeviceCore/DevExtruderSystem.h"
@@ -1511,6 +1512,10 @@ void AMSDryCtrWin::update_filament_guide_info(DevAms* dev_ams)
                       m_temperature_input->GetValue().ToLong(&input_temp);
     bool can_start = true;
 
+    // "GFA00" is Bambu's PLA id; GetFilamentDryingPreset is keyed by our OF ids.
+    auto* agent = wxGetApp().getAgent();
+    const std::string pla_filament_id = agent ? agent->to_orca_filament_id("GFA00") : std::string("GFA00");
+
     int slot_count = 0, empty_count = 0;
     for (auto& tray_pair : dev_ams->GetTrays()) {
         if (!tray_pair.second) {
@@ -1526,13 +1531,15 @@ void AMSDryCtrWin::update_filament_guide_info(DevAms* dev_ams)
         wxString filament_type = tray_pair.second->get_display_filament_type();
         DevFilamentDryingPreset preset;
         if (filament_type.IsEmpty()) {
-            auto fallback_preset = DevUtilBackend::GetFilamentDryingPreset("GFA00");
+            auto fallback_preset = DevUtilBackend::GetFilamentDryingPreset(pla_filament_id);
+            if (!fallback_preset) continue;                 // no PLA preset (e.g. the id map is missing): skip, don't throw
             preset = fallback_preset.value();
             filament_type = "?";
         } else if (preset_opt.has_value()) {
             preset = preset_opt.value();
         } else {
-            auto fallback_preset = DevUtilBackend::GetFilamentDryingPreset("GFA00");
+            auto fallback_preset = DevUtilBackend::GetFilamentDryingPreset(pla_filament_id);
+            if (!fallback_preset) continue;
             preset = fallback_preset.value();
         }
         std::string icon_path = "dev_ams_dry_ctr_enable";
@@ -1594,39 +1601,21 @@ int AMSDryCtrWin::update_filament_list(DevAms* dev_ams, MachineObject* obj)
         }
         stream << std::fixed << std::setprecision(1) << obj->GetExtderSystem()->GetNozzleDiameter(extruder_id);
         std::string nozzle_diameter_str = stream.str();
-        std::set<std::string> printer_names = preset_bundle->get_printer_names_by_printer_type_and_nozzle(
-            DevPrinterConfigUtil::get_printer_display_name(obj->printer_type), nozzle_diameter_str);
 
-        for (auto filament_it = filaments.begin(); filament_it != filaments.end(); ++filament_it) {
-            Preset& preset = *filament_it;
-            // Filter by system preset: root preset and (system preset or user preset is supported)
-            if (filaments.get_preset_base(*filament_it) != &preset || (!filament_it->is_system && !obj->is_support_user_preset)) {
+        for (Preset *filament_it : preset_bundle->get_filament_presets_for_machine(
+                 DevPrinterConfigUtil::get_printer_display_name(obj->printer_type), nozzle_diameter_str, obj->is_support_user_preset)) {
+            if (!filament_id_set.insert(filament_it->filament_id).second)
+                continue;
+            const std::string filament_alias = filaments.get_preset_alias(*filament_it, true);
+            if (filament_alias.empty())
+                continue;
+            auto opt_info = preset_bundle->get_filament_by_filament_id(filament_it->filament_id);
+            if (!opt_info.has_value())
                 continue;
-            }
 
-            ConfigOption *       printer_opt  = filament_it->config.option("compatible_printers");
-            ConfigOptionStrings *printer_strs = dynamic_cast<ConfigOptionStrings *>(printer_opt);
-            if (!printer_strs) continue;
-
-            for (auto printer_str : printer_strs->values) {
-                if (printer_names.find(printer_str) != printer_names.end()) {
-                    if (filament_id_set.find(filament_it->filament_id) != filament_id_set.end()) {
-                        continue;
-                    }
-
-                    filament_id_set.insert(filament_it->filament_id);
-                    auto filament_alias = filaments.get_preset_alias(*filament_it, true);
-                    if (!filament_alias.empty()) {
-                        auto opt_info = preset_bundle->get_filament_by_filament_id(filament_it->filament_id);
-                        if (opt_info.has_value()) {
-                            auto real_info = opt_info.value();
-                            real_info.filament_name = filament_alias;
-                            m_tray_ids.push_back(std::move(real_info));
-                            m_trays_combo->Append(wxString::FromUTF8(filament_alias));
-                        }
-                    }
-                }
-            }
+            opt_info->filament_name = filament_alias;
+            m_tray_ids.push_back(std::move(*opt_info));
+            m_trays_combo->Append(wxString::FromUTF8(filament_alias));
         }
 
         if (m_tray_ids.empty()) {
@@ -1701,9 +1690,10 @@ int AMSDryCtrWin::update_filament_list(DevAms* dev_ams, MachineObject* obj)
 
     // Select recommended drying temperature and default filament
     float min_dry_temp = std::numeric_limits<float>::max();
-    std::string default_filament_id = "GFA00";
+    auto* agent = wxGetApp().getAgent();
+    std::string default_filament_id = agent ? agent->to_orca_filament_id("GFA00") : std::string("GFA00");   // compared against m_tray_ids[i].filament_id (our OF ids) below
     bool has_ready = false;
-    const auto fallback_preset = DevUtilBackend::GetFilamentDryingPreset("GFA00");
+    const auto fallback_preset = DevUtilBackend::GetFilamentDryingPreset(default_filament_id);
     for (const auto& tray_pair : dev_ams->GetTrays()) {
         if (!tray_pair.second || !tray_pair.second->is_tray_info_ready()) continue;
         has_ready = true;

src/slic3r/GUI/AMSDryControl.hpp

@@ -14,6 +14,7 @@
 
 //Previous defintions
 class wxGrid;
+class ProgressBar;
 
 namespace Slic3r {
 
@@ -97,12 +98,6 @@ private:
     wxSimplebook* m_main_simplebook{nullptr};
     wxPanel* m_original_page{nullptr};
 
-    wxWindow* m_amswin{nullptr};
-    wxBoxSizer* m_sizer_ams_items{nullptr};
-    wxScrolledWindow* m_panel_prv_left {nullptr};
-    wxScrolledWindow* m_panel_prv_right{nullptr};
-    wxBoxSizer* m_sizer_prv_left{nullptr};
-    wxBoxSizer* m_sizer_prv_right{nullptr};
 
     // left panel related members
     ScalableBitmap m_humidity_image;

src/slic3r/GUI/AMSMaterialsSetting.cpp

@@ -2,6 +2,8 @@
 #include "ExtrusionCalibration.hpp"
 #include "MsgDialog.hpp"
 #include "GUI_App.hpp"
+#include "GUI.hpp"
+#include "slic3r/Utils/NetworkAgent.hpp"
 #include "libslic3r/Preset.hpp"
 #include "I18N.hpp"
 #include <algorithm>
@@ -681,6 +683,19 @@ void AMSMaterialsSetting::on_select_ok(wxCommandEvent &event)
     }
 
 
+    // Orca: log the tray payload this dialog hands the printer, so the filament_id resolved from the
+    // dropdown selection can be checked against the tray_info_idx the AMS actually receives. A
+    // BBL-tagged (RFID) tray is read-only here, so nothing is published for it.
+    BOOST_LOG_TRIVIAL(info) << "ams_materials_setting: " << (m_is_third ? "sending" : "NOT sending (BBL RFID tray, read-only)")
+                            << ", ams_id = " << ams_id << ", slot_id = " << slot_id
+                            << ", selected = " << m_comboBox_filament->GetValue().ToStdString()
+                            << ", tray_info_idx (filament_id) = " << ams_filament_id
+                            << ", setting_id = " << ams_setting_id
+                            << ", tray_type = " << m_filament_type
+                            << ", tray_color = " << col_buf
+                            << ", nozzle_temp_min = " << nozzle_temp_min_int
+                            << ", nozzle_temp_max = " << nozzle_temp_max_int;
+
     // set filament
     if (m_is_third) {
         obj->command_ams_filament_settings(ams_id, slot_id, ams_filament_id, ams_setting_id, std::string(col_buf), m_filament_type, nozzle_temp_min_int, nozzle_temp_max_int);
@@ -802,7 +817,10 @@ void AMSMaterialsSetting::set_color(wxColour color)
     fila_color.m_colors.insert(color);
     fila_color.EndSet(m_clr_picker->ctype);
     auto clr_query = GUI::wxGetApp().get_filament_color_code_query();
-    m_clr_name->SetLabelText(clr_query->GetFilaColorName(ams_filament_id, fila_color));
+    // ams_filament_id is our OF id; GetFilaColorName looks up filaments_color_codes.json,
+    // downloaded from Bambu and keyed by the printer's own ids, so translate for this lookup only.
+    auto* agent = GUI::wxGetApp().getAgent();
+    m_clr_name->SetLabelText(clr_query->GetFilaColorName(agent ? agent->from_orca_filament_id(ams_filament_id) : ams_filament_id, fila_color));
 }
 
 void AMSMaterialsSetting::set_empty_color(wxColour color)
@@ -823,7 +841,10 @@ void AMSMaterialsSetting::set_colors(std::vector<wxColour> colors)
         for (const auto& clr : colors) { fila_color.m_colors.insert(clr); }
         fila_color.EndSet(m_clr_picker->ctype);
         auto clr_query = GUI::wxGetApp().get_filament_color_code_query();
-        m_clr_name->SetLabelText(clr_query->GetFilaColorName(ams_filament_id, fila_color));
+        // ams_filament_id is our OF id; GetFilaColorName looks up filaments_color_codes.json,
+        // downloaded from Bambu and keyed by the printer's own ids, so translate for this lookup only.
+        auto* agent = GUI::wxGetApp().getAgent();
+        m_clr_name->SetLabelText(clr_query->GetFilaColorName(agent ? agent->from_orca_filament_id(ams_filament_id) : ams_filament_id, fila_color));
     }
 }
 
@@ -932,7 +953,6 @@ void AMSMaterialsSetting::Popup(wxString filament, wxString sn, wxString temp_mi
     m_input_k_val->GetTextCtrl()->SetValue(k);
     m_input_n_val->GetTextCtrl()->SetValue(n);
 
-    int idx = 0;
     wxArrayString filament_items;
     wxString bambu_filament_name;
     wxString hint_filament_name; // the hint type to be selected
@@ -940,6 +960,9 @@ void AMSMaterialsSetting::Popup(wxString filament, wxString sn, wxString temp_mi
     std::unordered_map<wxString, wxString> query_filament_types;  //
 
     std::set<std::string> filament_id_set;
+    // The alias keyed map has to start empty: it is a member, so a stale alias left by an earlier
+    // popup (a different printer, a different nozzle) would resolve to that printer's filament_id.
+    map_filament_items.clear();
     PresetBundle *        preset_bundle = wxGetApp().preset_bundle;
     std::ostringstream    stream;
     // Defensive: this dialog is opened only from StatusPanel (BBL-only) today, so the fallback fires
@@ -952,83 +975,48 @@ void AMSMaterialsSetting::Popup(wxString filament, wxString sn, wxString temp_mi
     }
     stream << std::fixed << std::setprecision(1) << machine_diameter;
     std::string nozzle_diameter_str = stream.str();
-    std::set<std::string> printer_names = preset_bundle->get_printer_names_by_printer_type_and_nozzle(DevPrinterConfigUtil::get_printer_display_name(obj->printer_type), nozzle_diameter_str);
 
     if (preset_bundle) {
         BOOST_LOG_TRIVIAL(trace) << "system_preset_bundle filament number=" << preset_bundle->filaments.size();
-        for (auto filament_it = preset_bundle->filaments.begin(); filament_it != preset_bundle->filaments.end(); filament_it++) {
-            //filter by system preset
-            Preset& preset = *filament_it;
-            /*The situation where the user preset is not displayed is as follows:
-                1. Not a root preset
-                2. Not system preset and the printer firmware does not support user preset */
-            if (preset_bundle->filaments.get_preset_base(*filament_it) != &preset || (!filament_it->is_system && !obj->is_support_user_preset)) {
+        for (Preset *filament_it : preset_bundle->get_filament_presets_for_machine(
+                 DevPrinterConfigUtil::get_printer_display_name(obj->printer_type), nozzle_diameter_str, obj->is_support_user_preset)) {
+            if (!filament_id_set.insert(filament_it->filament_id).second)
+                continue;
+            const std::string alias = preset_bundle->filaments.get_preset_alias(*filament_it, true);
+            if (alias.empty())
                 continue;
-            }
 
-            ConfigOption *       printer_opt  = filament_it->config.option("compatible_printers");
-            ConfigOptionStrings *printer_strs = dynamic_cast<ConfigOptionStrings *>(printer_opt);
-            for (auto printer_str : printer_strs->values) {
-                if (printer_names.find(printer_str) != printer_names.end()) {
-                    if (filament_id_set.find(filament_it->filament_id) != filament_id_set.end()) {
-                        continue;
-                    } else {
-                        filament_id_set.insert(filament_it->filament_id);
-                        // name matched
-                        if (filament_it->is_system) {
-                            filament_items.push_back(filament_it->alias);
-                            _collect_filament_info(filament_it->alias, preset, query_filament_vendors, query_filament_types);
+            filament_items.push_back(alias);
+            _collect_filament_info(alias, *filament_it, query_filament_vendors, query_filament_types);
 
-                            FilamentInfos filament_infos;
-                            filament_infos.filament_id             = filament_it->filament_id;
-                            filament_infos.setting_id              = filament_it->setting_id;
-                            map_filament_items[filament_it->alias] = filament_infos;
-                        } else {
-                            char   target = '@';
-                            size_t pos    = filament_it->name.find(target);
-                            if (pos != std::string::npos) {
-                                std::string user_preset_alias    = filament_it->name.substr(0, pos - 1);
-                                wxString    wx_user_preset_alias = wxString(user_preset_alias.c_str(), wxConvUTF8);
-                                user_preset_alias                = wx_user_preset_alias.ToStdString();
+            FilamentInfos filament_infos;
+            filament_infos.filament_id = filament_it->filament_id;
+            filament_infos.setting_id  = filament_it->setting_id;
+            map_filament_items[alias]  = filament_infos;
 
-                                filament_items.push_back(user_preset_alias);
-                                _collect_filament_info(user_preset_alias, preset, query_filament_vendors, query_filament_types);
-
-                                FilamentInfos filament_infos;
-                                filament_infos.filament_id            = filament_it->filament_id;
-                                filament_infos.setting_id             = filament_it->setting_id;
-                                map_filament_items[user_preset_alias] = filament_infos;
-                            }
-                        }
-
-                        if (filament_it->filament_id == ams_filament_id) {
-                            hint_filament_name = from_u8(filament_it->alias);
-                            bambu_filament_name = from_u8(filament_it->alias);
+            if (filament_it->filament_id == ams_filament_id) {
+                hint_filament_name = from_u8(alias);
+                bambu_filament_name = from_u8(alias);
 
 
-                            // update if nozzle_temperature_range is found
-                            ConfigOption *opt_min = filament_it->config.option("nozzle_temperature_range_low");
-                            if (opt_min) {
-                                ConfigOptionInts *opt_min_ints = dynamic_cast<ConfigOptionInts *>(opt_min);
-                                if (opt_min_ints) {
-                                    wxString text_nozzle_temp_min = wxString::Format("%d", opt_min_ints->get_at(0));
-                                    m_input_nozzle_min->GetTextCtrl()->SetValue(text_nozzle_temp_min);
-                                }
-                            }
-                            ConfigOption *opt_max = filament_it->config.option("nozzle_temperature_range_high");
-                            if (opt_max) {
-                                ConfigOptionInts *opt_max_ints = dynamic_cast<ConfigOptionInts *>(opt_max);
-                                if (opt_max_ints) {
-                                    wxString text_nozzle_temp_max = wxString::Format("%d", opt_max_ints->get_at(0));
-                                    m_input_nozzle_max->GetTextCtrl()->SetValue(text_nozzle_temp_max);
-                                }
-                            }
-                        }
-                        idx++;
+                // update if nozzle_temperature_range is found
+                ConfigOption *opt_min = filament_it->config.option("nozzle_temperature_range_low");
+                if (opt_min) {
+                    ConfigOptionInts *opt_min_ints = dynamic_cast<ConfigOptionInts *>(opt_min);
+                    if (opt_min_ints) {
+                        wxString text_nozzle_temp_min = wxString::Format("%d", opt_min_ints->get_at(0));
+                        m_input_nozzle_min->GetTextCtrl()->SetValue(text_nozzle_temp_min);
+                    }
+                }
+                ConfigOption *opt_max = filament_it->config.option("nozzle_temperature_range_high");
+                if (opt_max) {
+                    ConfigOptionInts *opt_max_ints = dynamic_cast<ConfigOptionInts *>(opt_max);
+                    if (opt_max_ints) {
+                        wxString text_nozzle_temp_max = wxString::Format("%d", opt_max_ints->get_at(0));
+                        m_input_nozzle_max->GetTextCtrl()->SetValue(text_nozzle_temp_max);
                     }
                 }
             }
-
         }
     }
 
@@ -1251,56 +1239,47 @@ void AMSMaterialsSetting::on_select_filament(wxCommandEvent &evt)
             stream << std::fixed << std::setprecision(1) << machine_diameter;
         }
         std::string nozzle_diameter_str = stream.str();
-        std::set<std::string> printer_names = preset_bundle->get_printer_names_by_printer_type_and_nozzle(DevPrinterConfigUtil::get_printer_display_name(obj->printer_type),
-                                                                                                          nozzle_diameter_str);
-        for (auto it = preset_bundle->filaments.begin(); it != preset_bundle->filaments.end(); it++) {
-            if (!m_comboBox_filament->GetValue().IsEmpty()) {
-                auto filament_item = map_filament_items[m_comboBox_filament->GetValue().ToStdString()];
-                std::string filament_id   = filament_item.filament_id;
-                if (it->filament_id.compare(filament_id) == 0) {
-                    ConfigOption *       printer_opt  = it->config.option("compatible_printers");
-                    ConfigOptionStrings *printer_strs = dynamic_cast<ConfigOptionStrings *>(printer_opt);
-                    bool has_compatible_printer = false;
-                    for (auto printer_str : printer_strs->values) {
-                        if (printer_names.find(printer_str) != printer_names.end()) {
-                            has_compatible_printer = true;
-                            break;
-                        }
+        // Resolve the selection against the same list Popup() built the dropdown from, so the two
+        // halves of the dialog cannot disagree about which filaments this machine can use.
+        const std::string selected = m_comboBox_filament->GetValue().ToStdString();
+        if (!selected.empty()) {
+            const std::string filament_id = map_filament_items[selected].filament_id;
+            for (Preset *it : preset_bundle->get_filament_presets_for_machine(
+                     DevPrinterConfigUtil::get_printer_display_name(obj->printer_type), nozzle_diameter_str, obj->is_support_user_preset)) {
+                if (it->filament_id != filament_id)
+                    continue;
+                // ) if nozzle_temperature_range is found
+                ConfigOption* opt_min = it->config.option("nozzle_temperature_range_low");
+                if (opt_min) {
+                    ConfigOptionInts* opt_min_ints = dynamic_cast<ConfigOptionInts*>(opt_min);
+                    if (opt_min_ints) {
+                        wxString text_nozzle_temp_min = wxString::Format("%d", opt_min_ints->get_at(0));
+                        m_input_nozzle_min->GetTextCtrl()->SetValue(text_nozzle_temp_min);
                     }
-                    if (!it->is_system && !has_compatible_printer) continue;
-                    // ) if nozzle_temperature_range is found
-                    ConfigOption* opt_min = it->config.option("nozzle_temperature_range_low");
-                    if (opt_min) {
-                        ConfigOptionInts* opt_min_ints = dynamic_cast<ConfigOptionInts*>(opt_min);
-                        if (opt_min_ints) {
-                            wxString text_nozzle_temp_min = wxString::Format("%d", opt_min_ints->get_at(0));
-                            m_input_nozzle_min->GetTextCtrl()->SetValue(text_nozzle_temp_min);
-                        }
-                    }
-                    ConfigOption* opt_max = it->config.option("nozzle_temperature_range_high");
-                    if (opt_max) {
-                        ConfigOptionInts* opt_max_ints = dynamic_cast<ConfigOptionInts*>(opt_max);
-                        if (opt_max_ints) {
-                            wxString text_nozzle_temp_max = wxString::Format("%d", opt_max_ints->get_at(0));
-                            m_input_nozzle_max->GetTextCtrl()->SetValue(text_nozzle_temp_max);
-                        }
-                    }
-                    ConfigOption* opt_type = it->config.option("filament_type");
-                    bool found_filament_type = false;
-                    if (opt_type) {
-                        ConfigOptionStrings* opt_type_strs = dynamic_cast<ConfigOptionStrings*>(opt_type);
-                        if (opt_type_strs) {
-                            found_filament_type = true;
-                            //m_filament_type = opt_type_strs->get_at(0);
-                            std::string display_filament_type;
-                            m_filament_type = it->config.get_filament_type(display_filament_type);
-                        }
-                    }
-                    if (!found_filament_type)
-                        m_filament_type = "";
-
-                    break;
                 }
+                ConfigOption* opt_max = it->config.option("nozzle_temperature_range_high");
+                if (opt_max) {
+                    ConfigOptionInts* opt_max_ints = dynamic_cast<ConfigOptionInts*>(opt_max);
+                    if (opt_max_ints) {
+                        wxString text_nozzle_temp_max = wxString::Format("%d", opt_max_ints->get_at(0));
+                        m_input_nozzle_max->GetTextCtrl()->SetValue(text_nozzle_temp_max);
+                    }
+                }
+                ConfigOption* opt_type = it->config.option("filament_type");
+                bool found_filament_type = false;
+                if (opt_type) {
+                    ConfigOptionStrings* opt_type_strs = dynamic_cast<ConfigOptionStrings*>(opt_type);
+                    if (opt_type_strs) {
+                        found_filament_type = true;
+                        //m_filament_type = opt_type_strs->get_at(0);
+                        std::string display_filament_type;
+                        m_filament_type = it->config.get_filament_type(display_filament_type);
+                    }
+                }
+                if (!found_filament_type)
+                    m_filament_type = "";
+
+                break;
             }
         }
     }
@@ -1938,11 +1917,6 @@ void ColorPickerPopup::paintEvent(wxPaintEvent& evt)
 
 void ColorPickerPopup::OnDismiss() {}
 
-void ColorPickerPopup::Popup()
-{
-    PopupWindow::Popup();
-}
-
 bool ColorPickerPopup::ProcessLeftDown(wxMouseEvent& event) {
     return PopupWindow::ProcessLeftDown(event);
 }

src/slic3r/GUI/AMSMaterialsSetting.hpp

@@ -85,7 +85,6 @@ public:
     void set_ams_colours(std::vector<wxColour> ams);
     void set_def_colour(wxColour col);
     void paintEvent(wxPaintEvent& evt);
-    void Popup();
     virtual void OnDismiss() wxOVERRIDE;
     virtual bool ProcessLeftDown(wxMouseEvent& event) wxOVERRIDE;
 

src/slic3r/GUI/AMSSetting.cpp

@@ -292,7 +292,7 @@ void AMSSetting::UpdateByObj(MachineObject* obj)
 
     update_ams_img(obj);
 
-    m_ams_type->Update(obj);
+    m_ams_type->UpdateInfo(obj);
     //m_ams_arrange_order->Update(obj);
     update_insert_material_read_mode(obj);
     m_sizer_remain_block->Show(obj->is_support_update_remain);
@@ -624,7 +624,7 @@ void AMSSettingTypePanel::CreateGui()
     Fit();
 }
 
-void AMSSettingTypePanel::Update(const MachineObject* obj)
+void AMSSettingTypePanel::UpdateInfo(const MachineObject* obj)
 {
     if (!obj) {
         Show(false);

src/slic3r/GUI/AMSSetting.hpp

@@ -110,7 +110,7 @@ public:
     ~AMSSettingTypePanel();
 
 public:
-    void Update(const MachineObject* obj);
+    void UpdateInfo(const MachineObject* obj);
 
 private:
     void CreateGui();

src/slic3r/GUI/AboutDialog.cpp

@@ -3,6 +3,7 @@
 
 #include "libslic3r/Utils.hpp"
 #include "libslic3r/Color.hpp"
+#include "BuildCommit.hpp"
 #include "GUI.hpp"
 #include "GUI_App.hpp"
 #include "MainFrame.hpp"
@@ -245,7 +246,7 @@ AboutDialog::AboutDialog()
         vesizer->Add(0, 0, 1, wxEXPAND, FromDIP(5));
         auto          version_string = std::string(SoftFever_VERSION); // _L("Orca Slicer ") + " " + std::string(SoftFever_VERSION);
         wxStaticText* version = new wxStaticText(this, wxID_ANY, version_string.c_str(), wxDefaultPosition, wxDefaultSize);
-        wxStaticText* credits_string = new wxStaticText(this, wxID_ANY, wxString::Format("Build %s", std::string(GIT_COMMIT_HASH)), wxDefaultPosition, wxDefaultSize);
+        wxStaticText* credits_string = new wxStaticText(this, wxID_ANY, wxString::Format("Build %s", build_commit_label), wxDefaultPosition, wxDefaultSize);
         credits_string->SetFont(_build_string_font);
         wxFont version_font = GetFont();
         version_font = version_font.Scaled(1.85f); // SetPointSize(20) not works on macOS because it uses a 72 PPI reference

src/slic3r/GUI/AmsMappingPopup.cpp

@@ -11,6 +11,7 @@
 #include "MainFrame.hpp"
 #include "format.hpp"
 #include "Widgets/ProgressDialog.hpp"
+#include <wx/tooltip.h>
 #include "Widgets/RoundedRectangle.hpp"
 #include "Widgets/StaticBox.hpp"
 

src/slic3r/GUI/AmsMappingPopup.hpp

@@ -457,7 +457,6 @@ private:
     ScalableBitmap close_img;
 
     wxStaticBitmap* curr_humidity_img;
-    wxStaticBitmap* m_img;
 
     Label* m_staticText;;
     Label* m_staticText_note;

src/slic3r/GUI/AmsMappingPopupUpdate.cpp

@@ -406,7 +406,7 @@ void AmsMapingPopup::update_ams_data_multi_machines()
         int ams_type = 1;
         int nozzle_id = 0;
 
-        if (ams_type >= 1 || ams_type <= 3) { // 1:ams 2:ams-lite 3:n3f
+        if (ams_type >= 1 && ams_type <= 3) { // 1:ams 2:ams-lite 3:n3f
 
             auto sizer_mapping_list = new wxBoxSizer(wxHORIZONTAL);
             auto ams_mapping_item_container = new MappingContainer(nozzle_id == 0 ? m_right_marea_panel : m_left_marea_panel, "AMS-1", 4);

src/slic3r/GUI/BBLTopbar.hpp

@@ -93,7 +93,6 @@ private:
     CenteredTitle*    m_title_ctrl { nullptr };
     wxString          m_titleText;
 
-    wxAuiToolBarItem* m_model_store_item;
     
     //wxAuiToolBarItem *m_publish_item;
     wxAuiToolBarItem* m_undo_item;

src/slic3r/GUI/BackgroundSlicingProcess.cpp

@@ -848,7 +848,9 @@ void BackgroundSlicingProcess::finalize_gcode()
     case CopyFileResult::SUCCESS: break; // no error
     case CopyFileResult::FAIL_COPY_FILE:
         throw Slic3r::ExportError(GUI::format(
-            _L("Copying of the temporary G-code to the output G-code failed. Maybe the SD card is write locked?\nError message: %1%"),
+            m_export_path_on_removable_media ?
+                _L("Copying of the temporary G-code to the output G-code failed. Maybe the SD card is write locked?\nError message: %1%") :
+                _L("Copying of the temporary G-code to the output G-code failed.\nError message: %1%"),
             error_message));
         break;
     case CopyFileResult::FAIL_FILES_DIFFERENT:

src/slic3r/GUI/BaseTransparentDPIFrame.hpp

@@ -5,8 +5,10 @@
 #include <thread>
 #include "GUI_App.hpp"
 #include "GUI_Utils.hpp"
+#include <wx/timer.h>
 
 class Button;
+class Label;
 class CheckBox;
 namespace Slic3r { namespace GUI {
 class CapsuleButton;

src/slic3r/GUI/BindDialog.hpp

@@ -65,18 +65,10 @@ private:
     wxPanel* request_bind_panel;
     wxPanel* binding_panel;
 
-    wxScrolledWindow* m_sw_bind_failed_info;
-    Label* m_bind_failed_info;
-    Label* m_st_txt_error_code{ nullptr };
-    Label* m_st_txt_error_desc{ nullptr };
-    Label* m_st_txt_extra_info{ nullptr };
-    HyperLink*      m_link_network_state{ nullptr };
     wxString        m_result_info;
     wxString        m_result_extra;
     wxString        m_ping_code_wiki;
-    bool            m_show_error_info_state = true;
 
-    int             m_result_code;
     std::shared_ptr<BBLStatusBarBind> m_status_bar;
 
 public:
@@ -110,7 +102,6 @@ private:
     wxBitmap      m_bitmap_show_error_close;
     wxBitmap      m_bitmap_show_error_open;
     wxScrolledWindow* m_sw_bind_failed_info;
-    Label*          m_bind_failed_info;
     Label*          m_st_txt_error_code{ nullptr };
     Label*          m_st_txt_error_desc{ nullptr };
     Label*          m_st_txt_extra_info{ nullptr };

src/slic3r/GUI/BuildCommit.cpp

@@ -0,0 +1,9 @@
+#include "BuildCommit.hpp"
+#include "git_commit_hash.h"
+
+namespace Slic3r { namespace GUI {
+
+const char *const build_commit_hash  = GIT_COMMIT_HASH;
+const char *const build_commit_label = GIT_COMMIT_HASH GIT_COMMIT_SUFFIX;
+
+}} // namespace Slic3r::GUI

src/slic3r/GUI/BuildCommit.hpp

@@ -0,0 +1,15 @@
+#pragma once
+
+// Read these rather than including git_commit_hash.h, which changes with every
+// commit and rebuilds everything that includes it.
+
+namespace Slic3r { namespace GUI {
+
+// The commit alone, safe to use in a commit URL.
+extern const char *const build_commit_hash;
+
+// The same, with "-dirty" when the build had uncommitted changes. Use this
+// wherever the build is shown to a person.
+extern const char *const build_commit_label;
+
+}} // namespace Slic3r::GUI

src/slic3r/GUI/CaliHistoryDialog.cpp

@@ -702,7 +702,6 @@ wxArrayString NewCalibrationHistoryDialog::get_all_filaments(const MachineObject
 
     wxArrayString         filament_items;
     std::set<std::string> filament_id_set;
-    std::set<std::string> printer_names;
     std::ostringstream    stream;
     // If the machine didn't report a nozzle diameter (0.0 = unknown), fall back to the currently
     // selected printer preset so the filament list isn't empty.
@@ -714,67 +713,21 @@ wxArrayString NewCalibrationHistoryDialog::get_all_filaments(const MachineObject
     stream << std::fixed << std::setprecision(1) << machine_diameter;
     std::string nozzle_diameter_str = stream.str();
 
-    for (auto printer_it = preset_bundle->printers.begin(); printer_it != preset_bundle->printers.end(); printer_it++) {
-        // filter by system preset
-        if (!printer_it->is_system)
-            continue;
-        // get printer_model
-        ConfigOption *      printer_model_opt = printer_it->config.option("printer_model");
-        ConfigOptionString *printer_model_str = dynamic_cast<ConfigOptionString *>(printer_model_opt);
-        if (!printer_model_str)
-            continue;
-
-        // use printer_model as printer type
-        if (printer_model_str->value != DevPrinterConfigUtil::get_printer_display_name(obj->printer_type))
-            continue;
-
-        if (printer_it->name.find(nozzle_diameter_str) != std::string::npos)
-            printer_names.insert(printer_it->name);
-    }
-
     if (preset_bundle) {
         BOOST_LOG_TRIVIAL(trace) << "system_preset_bundle filament number=" << preset_bundle->filaments.size();
-        for (auto filament_it = preset_bundle->filaments.begin(); filament_it != preset_bundle->filaments.end(); filament_it++) {
-            // filter by system preset
-            Preset &preset = *filament_it;
-            /*The situation where the user preset is not displayed is as follows:
-                1. Not a root preset
-                2. Not system preset and the printer firmware does not support user preset */
-            if (preset_bundle->filaments.get_preset_base(*filament_it) != &preset || (!filament_it->is_system && ! obj->is_support_user_preset)) { continue; }
+        for (Preset *filament_it : preset_bundle->get_filament_presets_for_machine(
+                 DevPrinterConfigUtil::get_printer_display_name(obj->printer_type), nozzle_diameter_str, obj->is_support_user_preset)) {
+            if (!filament_id_set.insert(filament_it->filament_id).second)
+                continue;
+            const std::string alias = preset_bundle->filaments.get_preset_alias(*filament_it, true);
+            if (alias.empty())
+                continue;
 
-            ConfigOption *       printer_opt  = filament_it->config.option("compatible_printers");
-            ConfigOptionStrings *printer_strs = dynamic_cast<ConfigOptionStrings *>(printer_opt);
-            for (auto printer_str : printer_strs->values) {
-                if (printer_names.find(printer_str) != printer_names.end()) {
-                    if (filament_id_set.find(filament_it->filament_id) != filament_id_set.end()) {
-                        continue;
-                    } else {
-                        filament_id_set.insert(filament_it->filament_id);
-                        // name matched
-                        if (filament_it->is_system) {
-                            filament_items.push_back(filament_it->alias);
-                            FilamentInfos filament_infos;
-                            filament_infos.filament_id             = filament_it->filament_id;
-                            filament_infos.setting_id              = filament_it->setting_id;
-                            map_filament_items[filament_it->alias] = filament_infos;
-                        } else {
-                            char   target = '@';
-                            size_t pos    = filament_it->name.find(target);
-                            if (pos != std::string::npos) {
-                                std::string user_preset_alias    = filament_it->name.substr(0, pos - 1);
-                                wxString    wx_user_preset_alias = wxString(user_preset_alias.c_str(), wxConvUTF8);
-                                user_preset_alias                = wx_user_preset_alias.ToStdString();
-
-                                filament_items.push_back(user_preset_alias);
-                                FilamentInfos filament_infos;
-                                filament_infos.filament_id            = filament_it->filament_id;
-                                filament_infos.setting_id             = filament_it->setting_id;
-                                map_filament_items[user_preset_alias] = filament_infos;
-                            }
-                        }
-                    }
-                }
-            }
+            filament_items.push_back(alias);
+            FilamentInfos filament_infos;
+            filament_infos.filament_id = filament_it->filament_id;
+            filament_infos.setting_id  = filament_it->setting_id;
+            map_filament_items[alias]  = filament_infos;
         }
     }
     return filament_items;

src/slic3r/GUI/CalibrationPanel.hpp

@@ -70,11 +70,7 @@ public:
 
 private:
     int                                 m_my_devices_count{ 0 };
-    int                                 m_other_devices_count{ 0 };
     bool                                m_dismiss{ false };
-    wxWindow*                           m_placeholder_panel   { nullptr };
-    wxWindow*                           m_panel_body{ nullptr };
-    wxBoxSizer*                         m_sizer_body{ nullptr };
     wxBoxSizer*                         m_sizer_my_devices{ nullptr };
     wxScrolledWindow*                   m_scrolledWindow{ nullptr };
     wxTimer*                            m_refresh_timer{ nullptr };

src/slic3r/GUI/CalibrationWizard.cpp

@@ -1,6 +1,7 @@
 #include "CalibrationWizard.hpp"
 #include "I18N.hpp"
 #include "GUI_App.hpp"
+#include "slic3r/Utils/NetworkAgent.hpp"
 #include "MsgDialog.hpp"
 #include "CalibrationWizardPage.hpp"
 #include "../../libslic3r/calib.hpp"

src/slic3r/GUI/CalibrationWizardPresetPage.cpp

@@ -1,5 +1,7 @@
 #include <regex>
 #include "CalibrationWizardPresetPage.hpp"
+#include "GUI.hpp"
+#include "slic3r/Utils/NetworkAgent.hpp"
 #include "I18N.hpp"
 #include "Widgets/Label.hpp"
 #include "MsgDialog.hpp"
@@ -361,7 +363,7 @@ void CaliPresetCustomRangePanel::create_panel(wxWindow* parent)
                 int max_decimal_length;
                 if (i <= 1)
                     max_decimal_length = 3;
-                else if (i >= 2)
+                else
                     max_decimal_length = 4;
                 if (decimal_number > max_decimal_length) {
                     int allowed_length = number.length() - decimal_number + max_decimal_length;

src/slic3r/GUI/CalibrationWizardSavePage.cpp

@@ -1,4 +1,5 @@
 #include "CalibrationWizardSavePage.hpp"
+#include "GUI.hpp"
 #include "I18N.hpp"
 #include "Widgets/Label.hpp"
 #include "MsgDialog.hpp"