add filament_max_wipe_tower_speed

src/libslic3r/GCode/WipeTowerPrusaMM.cpp

@@ -903,13 +903,15 @@ void WipeTowerPrusaMM::toolchange_Change(
     	m_used_filament_length[m_current_tool] += writer.get_and_reset_used_filament_length();
 
 	// Speed override for the material. Go slow for flex and soluble materials.
-	int speed_override;
-	switch (new_material) {
-	case PVA:   speed_override = (m_z_pos < 0.80f) ? 60 : 80; break;
-	case SCAFF: speed_override = 35; break;
-	case FLEX:  speed_override = 35; break;
-	default:    speed_override = 100;
-	}
+    int speed_override = m_config->filament_max_wipe_tower_speed.get_at(new_tool);
+    if (speed_override <= 0) {
+        switch (new_material) {
+            case PVA:   speed_override = (m_z_pos < 0.80f) ? 60 : 80; break;
+            case SCAFF: speed_override = 35; break;
+            case FLEX:  speed_override = 35; break;
+            default:    speed_override = 100;
+        }
+    }
 	writer.set_tool(new_tool);
 	if (m_retain_speed_override)
 		assert(speed_override == 100);

src/libslic3r/GCode/WipeTowerPrusaMM.hpp

@@ -75,7 +75,7 @@ public:
         m_filpar.push_back(FilamentParameters());
 
         m_filpar[idx].material = WipeTowerPrusaMM::parse_material(m_config->filament_type.get_at(idx).c_str());
-        if (m_filpar[idx].material == FLEX || m_filpar[idx].material == SCAFF || m_filpar[idx].material == PVA) {
+        if (m_config->filament_max_wipe_tower_speed.get_at(idx) > 0 || m_filpar[idx].material == FLEX || m_filpar[idx].material == SCAFF || m_filpar[idx].material == PVA) {
     		// MMU2 lowers the print speed using the speed override (M220) for printing of soluble PVA/BVOH and flex materials.
     		// Therefore it does not make sense to use the new M220 B and M220 R (backup / restore).
         	m_retain_speed_override = false;

src/libslic3r/PrintConfig.cpp

@@ -713,6 +713,16 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->default_value = new ConfigOptionFloats { 0. };
 
+    def = this->add("filament_max_wipe_tower_speed", coFloats);
+    def->label = L("Max speed on the wipe tower");
+    def->tooltip = L("This setting is used to set the maximum speed when extruding inside the wipe tower (use M220). In %, set 0 to disable and use the Filament type instead.");
+    def->sidetext = L("% of mm/s");
+    def->cli = "filament-max-wipe-tower-speed=f@";
+    def->min = 0;
+    def->max = 200;
+    def->mode = comExpert;
+    def->default_value = new ConfigOptionFloats { 0 };
+
     def = this->add("filament_loading_speed", coFloats);
     def->label = L("Loading speed");
     def->tooltip = L("Speed used for loading the filament on the wipe tower. ");

src/libslic3r/PrintConfig.hpp

@@ -708,6 +708,7 @@ public:
     ConfigOptionBools               filament_soluble;
     ConfigOptionFloats              filament_cost;
     ConfigOptionFloats              filament_max_volumetric_speed;
+    ConfigOptionFloats              filament_max_wipe_tower_speed;
     ConfigOptionFloats              filament_loading_speed;
     ConfigOptionFloats              filament_loading_speed_start;
     ConfigOptionFloats              filament_load_time;
@@ -786,6 +787,7 @@ protected:
         OPT_PTR(filament_soluble);
         OPT_PTR(filament_cost);
         OPT_PTR(filament_max_volumetric_speed);
+        OPT_PTR(filament_max_wipe_tower_speed);
         OPT_PTR(filament_loading_speed);
         OPT_PTR(filament_loading_speed_start);
         OPT_PTR(filament_load_time);

src/slic3r/GUI/Preset.cpp

@@ -373,6 +373,7 @@ const std::vector<std::string>& Preset::filament_options()
 {    
     static std::vector<std::string> s_opts {
         "filament_colour", "filament_diameter", "filament_type", "filament_soluble", "filament_notes", "filament_max_volumetric_speed",
+        "filament_max_wipe_tower_speed",
         "extrusion_multiplier", "filament_density", "filament_cost", "filament_loading_speed", "filament_loading_speed_start", "filament_load_time",
         "filament_unloading_speed", "filament_toolchange_delay", "filament_unloading_speed_start", "filament_unload_time", "filament_cooling_moves",
         "filament_cooling_initial_speed", "filament_cooling_final_speed", "filament_ramming_parameters", "filament_minimal_purge_on_wipe_tower",

src/slic3r/GUI/Tab.cpp

@@ -1548,7 +1548,8 @@ void TabFilament::build()
 		line.widget = [this](wxWindow* parent) {
 			return description_line_widget(parent, &m_volumetric_speed_description_line);
 		};
-		optgroup->append_line(line);
+        optgroup->append_line(line);
+        optgroup->append_single_option_line("filament_max_wipe_tower_speed");
 
         optgroup = page->new_optgroup(_(L("Toolchange parameters with single extruder MM printers")));
 		optgroup->append_single_option_line("filament_loading_speed_start");