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Option to always travel to wipe tower before Tx commands on multi-toolhead setups using type 2 tower (#13703)

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* Option to always travel to wipe tower before Tx commands on multi-toolhead setups using type 2 tower
This commit is contained in:
Ioannis Giannakas
2026-05-17 20:46:08 +01:00
committed by GitHub
parent 484ce81e38
commit d52d0a082d
6 changed files with 26 additions and 2 deletions
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7
src/libslic3r/GCode.cpp
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@@ -1161,10 +1161,15 @@ static std::vector<Vec2d> get_path_of_change_filament(const Print& print)
const bool is_ramming = (gcodegen.config().single_extruder_multi_material) ||
(!gcodegen.config().single_extruder_multi_material &&
gcodegen.config().filament_multitool_ramming.get_at(tcr.initial_tool));
// Orca: user-facing override (Printer Settings > Wipe tower > "Tool change on wipe tower").
// Forces the toolhead to travel over the wipe tower before issuing Tx even on multi-toolhead
// printers without ramming, where Orca would otherwise emit Tx in place (potentially over the part).
const bool tool_change_on_wipe_tower = gcodegen.config().tool_change_on_wipe_tower.value;
const bool should_travel_to_tower = !tcr.priming && (tcr.force_travel // wipe tower says so
|| !needs_toolchange // this is just finishing the tower with no toolchange
|| will_go_down // Make sure to move to prime tower before moving down
|| is_ramming);
|| is_ramming
|| tool_change_on_wipe_tower);
if (should_travel_to_tower || gcodegen.m_need_change_layer_lift_z) {
// FIXME: It would be better if the wipe tower set the force_travel flag for all toolchanges,

2
src/libslic3r/Preset.cpp
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@@ -1343,7 +1343,7 @@ static std::vector<std::string> s_Preset_printer_options {
"use_relative_e_distances", "extruder_type", "use_firmware_retraction", "printer_notes",
"grab_length", "support_object_skip_flush", "physical_extruder_map",
"cooling_tube_retraction",
"cooling_tube_length", "high_current_on_filament_swap", "parking_pos_retraction", "extra_loading_move", "wipe_tower_type", "purge_in_prime_tower", "enable_filament_ramming",
"cooling_tube_length", "high_current_on_filament_swap", "parking_pos_retraction", "extra_loading_move", "wipe_tower_type", "purge_in_prime_tower", "enable_filament_ramming", "tool_change_on_wipe_tower",
"z_offset",
"disable_m73", "preferred_orientation", "emit_machine_limits_to_gcode", "pellet_modded_printer", "support_multi_bed_types", "default_bed_type", "bed_mesh_min","bed_mesh_max","bed_mesh_probe_distance", "adaptive_bed_mesh_margin", "enable_long_retraction_when_cut","long_retractions_when_cut","retraction_distances_when_cut",
"bed_temperature_formula", "nozzle_flush_dataset"

1
src/libslic3r/Print.cpp
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@@ -359,6 +359,7 @@ bool Print::invalidate_state_by_config_options(const ConfigOptionResolver & /* n
|| opt_key == "wipe_tower_filament"
|| opt_key == "wiping_volumes_extruders"
|| opt_key == "enable_filament_ramming"
|| opt_key == "tool_change_on_wipe_tower"
|| opt_key == "purge_in_prime_tower"
|| opt_key == "z_offset"
|| opt_key == "support_multi_bed_types"

10
src/libslic3r/PrintConfig.cpp
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@@ -5806,6 +5806,16 @@ void PrintConfigDef::init_fff_params()
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionBool(true));
def = this->add("tool_change_on_wipe_tower", coBool);
def->label = L("Tool change on wipe tower");
def->tooltip = L("Force the toolhead to travel to the wipe tower before issuing the tool change command (Tx). "
"Only relevant for multi-extruder (multi-toolhead) printers using a Type 2 wipe tower. "
"By default Orca skips the travel on multi-toolhead machines because the firmware handles the head swap, "
"which can result in the Tx command being issued above the printed part. "
"Enable this option if you want the tool change to always be issued above the wipe tower instead.");
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionBool(false));
def = this->add("wipe_tower_no_sparse_layers", coBool);
def->label = L("No sparse layers (beta)");

1
src/libslic3r/PrintConfig.hpp
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@@ -1452,6 +1452,7 @@ PRINT_CONFIG_CLASS_DEFINE(
((ConfigOptionEnum<WipeTowerType>, wipe_tower_type))
((ConfigOptionBool, purge_in_prime_tower))
((ConfigOptionBool, enable_filament_ramming))
((ConfigOptionBool, tool_change_on_wipe_tower))
((ConfigOptionBool, support_multi_bed_types))
// Small Area Infill Flow Compensation

7
src/slic3r/GUI/Tab.cpp
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@@ -4998,6 +4998,7 @@ if (is_marlin_flavor)
optgroup->append_single_option_line("wipe_tower_type", "printer_multimaterial_wipe_tower");
optgroup->append_single_option_line("purge_in_prime_tower", "printer_multimaterial_wipe_tower#purge-in-prime-tower");
optgroup->append_single_option_line("enable_filament_ramming", "printer_multimaterial_wipe_tower#enable-filament-ramming");
optgroup->append_single_option_line("tool_change_on_wipe_tower", "printer_multimaterial_wipe_tower#tool-change-on-wipe-tower");
optgroup = page->new_optgroup(L("Single extruder multi-material parameters"), "param_settings");
@@ -5447,6 +5448,12 @@ void TabPrinter::toggle_options()
toggle_option("extruders_count", !bSEMM);
toggle_option("manual_filament_change", bSEMM);
toggle_option("purge_in_prime_tower", bSEMM && supports_wipe_tower_2);
// Orca: "Tool change on wipe tower" only makes sense for multi-extruder (multi-toolhead) printers
// using a Type 2 wipe tower. SEMM already always travels to the tower as part of the purge,
// so the option is irrelevant there.
const size_t extruders_count = m_config->option<ConfigOptionFloats>("nozzle_diameter")->size();
toggle_option("tool_change_on_wipe_tower", !bSEMM && supports_wipe_tower_2 && extruders_count > 1);
}
wxString extruder_number;
long val = 1;