Feature/fix profile variants issus (#14084)

* add print variant validation

* fix one profile error

* fix more prifiles

resources/profiles/Creality/machine/Creality CR-10 V3 0.6 nozzle.json

@@ -8,6 +8,7 @@
 	"printer_model": "Creality CR-10 V3",
 	"printer_structure": "i3",
 	"default_print_profile": "0.20mm Standard @Creality CR10V3 0.6",
+	"printer_variant": "0.6",
 	"nozzle_diameter": [
 		"0.6"
 	],

resources/profiles/Eryone/machine/Thinker X400 0.2 nozzle.json

@@ -18,6 +18,7 @@
 	"nozzle_diameter": [
 		"0.2"
 	],
+	"printer_variant": "0.2",
 	"retraction_length": [
 		"0.5"
 	]

resources/profiles/Flashforge/machine/Flashforge Adventurer 4 Series HS nozzle.json

@@ -5,7 +5,7 @@
 	"from": "system",
 	"setting_id": "GM002",
 	"instantiation": "true",
-	"printer_variant": "HS",
+	"printer_variant": "0.4HS",
 	"printer_model": "Flashforge Adventurer 4 Series",
 	"default_print_profile": "0.20mm High-Speed @Flashforge AD4 HS Nozzle",
 	"nozzle_diameter": [

resources/profiles/Flashforge/machine/Flashforge Adventurer 4 Series.json

@@ -2,7 +2,7 @@
 	"type": "machine_model",
 	"name": "Flashforge Adventurer 4 Series",
 	"model_id": "Flashforge Adventurer 4 Series",
-	"nozzle_diameter": "0.3;0.4;0.6;HS",
+	"nozzle_diameter": "0.3;0.4;0.6;0.4HS",
 	"machine_tech": "FFF",
 	"family": "Flashforge",
 	"host_type": "Flashforge",

resources/profiles/Flashforge/machine/Flashforge Guider4 0.4 HF nozzle.json

@@ -156,7 +156,7 @@
 	"printer_settings_id": "Flashforge Guider4 0.4 HF nozzle",
 	"printer_structure": "undefine",
 	"printer_technology": "FFF",
-	"printer_variant": "0.4",
+	"printer_variant": "0.4HF",
 	"printhost_authorization_type": "key",
 	"printhost_ssl_ignore_revoke": "0",
 	"printing_by_object_gcode": "",

resources/profiles/Flashforge/machine/Flashforge Guider4 0.6 HF nozzle.json

@@ -156,7 +156,7 @@
 	"printer_settings_id": "Flashforge Guider4 0.6 HF nozzle",
 	"printer_structure": "undefine",
 	"printer_technology": "FFF",
-	"printer_variant": "0.6",
+	"printer_variant": "0.6HF",
 	"printhost_authorization_type": "key",
 	"printhost_ssl_ignore_revoke": "0",
 	"printing_by_object_gcode": "",

resources/profiles/Flashforge/machine/Flashforge Guider4 0.8 HF nozzle.json

@@ -156,7 +156,7 @@
 	"printer_settings_id": "Flashforge Guider4 0.8 HF nozzle",
 	"printer_structure": "undefine",
 	"printer_technology": "FFF",
-	"printer_variant": "0.6",
+	"printer_variant": "0.8HF",
 	"printhost_authorization_type": "key",
 	"printhost_ssl_ignore_revoke": "0",
 	"printing_by_object_gcode": "",

resources/profiles/Flashforge/machine/Flashforge Guider4 Pro 0.4 HF nozzle.json

@@ -156,7 +156,7 @@
 	"printer_settings_id": "Flashforge Guider4 Pro 0.4 HF nozzle",
 	"printer_structure": "undefine",
 	"printer_technology": "FFF",
-	"printer_variant": "0.4",
+	"printer_variant": "0.4HF",
 	"printhost_authorization_type": "key",
 	"printhost_ssl_ignore_revoke": "0",
 	"printing_by_object_gcode": "",

resources/profiles/Flashforge/machine/Flashforge Guider4 Pro 0.6 HF nozzle.json

@@ -156,7 +156,7 @@
 	"printer_settings_id": "Flashforge Guider4 Pro 0.6 HF nozzle",
 	"printer_structure": "undefine",
 	"printer_technology": "FFF",
-	"printer_variant": "0.6",
+	"printer_variant": "0.6HF",
 	"printhost_authorization_type": "key",
 	"printhost_ssl_ignore_revoke": "0",
 	"printing_by_object_gcode": "",

resources/profiles/Flashforge/machine/Flashforge Guider4 Pro 0.8 HF nozzle.json

@@ -156,7 +156,7 @@
 	"printer_settings_id": "Flashforge Guider4 Pro 0.8 HF nozzle",
 	"printer_structure": "undefine",
 	"printer_technology": "FFF",
-	"printer_variant": "0.6",
+	"printer_variant": "0.8HF",
 	"printhost_authorization_type": "key",
 	"printhost_ssl_ignore_revoke": "0",
 	"printing_by_object_gcode": "",

resources/profiles/Qidi/process/fdm_process_n_common.json

@@ -39,7 +39,6 @@
 	"enable_support": "0",
 	"filename_format": "{input_filename_base}.gcode",
 	"fill_multiline": "1",
-	"first_x_layer_fan_speed": "0",
 	"gap_infill_speed": [
 		"50"
 	],

resources/profiles/Ratrig/machine/RatRig V-Core 4 HYBRID 500 0.5 nozzle.json

@@ -8,7 +8,7 @@
 	"printer_model": "RatRig V-Core 4 HYBRID 500",
 	"printer_variant": "0.5",
 	"nozzle_diameter": [
-		"0.4"
+		"0.5"
 	],
 	"printable_area": [
 		"0x0",

resources/profiles/Ratrig/machine/RatRig V-Core 4 HYBRID 500 0.8 nozzle.json

@@ -8,7 +8,7 @@
 	"printer_model": "RatRig V-Core 4 HYBRID 500",
 	"printer_variant": "0.8",
 	"nozzle_diameter": [
-		"0.6"
+		"0.8"
 	],
 	"printable_area": [
 		"0x0",

src/libslic3r/PresetBundle.cpp

@@ -6,6 +6,7 @@
 #include "libslic3r.h"
 #include "I18N.hpp"
 #include "Utils.hpp"
+#include "LocalesUtils.hpp"
 #include "Model.hpp"
 #include "libslic3r_version.h"
 
@@ -2231,6 +2232,7 @@ std::pair<PresetsConfigSubstitutions, std::string> PresetBundle::load_system_pre
         [&](const tbb::blocked_range<size_t>& range) {
             for (size_t i = range.begin(); i < range.end(); ++i) {
                 auto bundle = std::make_unique<PresetBundle>();
+                bundle->set_is_validation_mode(validation_mode);
                 try {
                     auto result = bundle->load_vendor_configs_from_json(
                         dir.string(), other_vendors[i], PresetBundle::LoadSystem,
@@ -4982,6 +4984,39 @@ std::pair<PresetsConfigSubstitutions, size_t> PresetBundle::load_vendor_configs_
                 reason = std::string("can not find printer_variant in vendor profile");
                 return reason;
             }
+            // An instantiation printer profile's nozzle_diameter must match the numeric (diameter)
+            // prefix of its printer_variant: "0.4" -> {0.4}, "0.8HF" -> {0.8} (a trailing
+            // non-numeric suffix such as "HF"/"HS" distinguishes a hardware sub-variant and is
+            // ignored here), and for multi-nozzle printers "0.4+0.6" -> {0.4, 0.6}.
+            // Note: a variant may legitimately repeat across presets of the same model (e.g. speed
+            // modes, IDEX copy/mirror, or different control boards), so only the diameter is
+            // validated, not variant uniqueness. Validation-only so the app keeps loading existing
+            // profiles unchanged.
+            if (validation_mode && instantiation == "true") {
+                const auto *nd = config.option<ConfigOptionFloats>("nozzle_diameter");
+                std::set<double> nozzles, variant_nozzles;
+                if (nd != nullptr)
+                    nozzles.insert(nd->values.begin(), nd->values.end());
+                std::vector<std::string> variant_tokens;
+                boost::algorithm::split(variant_tokens, printer_variant, boost::algorithm::is_any_of("+"));
+                bool variant_ok = true; // printer_variant is already guaranteed non-empty above
+                for (const std::string &tok : variant_tokens) {
+                    size_t consumed = 0;
+                    double d = string_to_double_decimal_point(tok, &consumed);
+                    // Require a leading numeric diameter; a trailing suffix (e.g. "HF") is allowed.
+                    if (consumed == 0) { variant_ok = false; break; }
+                    variant_nozzles.insert(d);
+                }
+                if (!variant_ok || variant_nozzles != nozzles) {
+                    ++m_errors;
+                    BOOST_LOG_TRIVIAL(error) << "Error in a Vendor Config Bundle \"" << path << "\": The printer preset \"" <<
+                        preset_name << "\" has printer_variant \"" << printer_variant <<
+                        "\" that does not match its nozzle_diameter \"" << (nd ? nd->serialize() : std::string()) << "\". "
+                        "printer_variant must begin with the nozzle diameter, optionally followed by a non-numeric suffix "
+                        "(e.g. \"0.4\", \"0.8HF\"); for multi-nozzle printers, join the per-nozzle diameters with \"+\" in "
+                        "nozzle order (e.g. \"0.4+0.6\").";
+                }
+            }
         }
         const Preset *preset_existing = presets_collection->find_preset(preset_name, false);
         if (preset_existing != nullptr) {