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Print the WipeTower2 shell with a non-support, non-soluble filament

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Like the BBL tower: the layer's sparse infill, wall, and brim go to the
first toolchange to a non-support/non-soluble filament, or are printed
with the incoming filament before any toolchange. The minimal-purge
clamp now also covers toolchanges that get no finish-layer saving.
Output is unchanged when no support/soluble filament is used.
This commit is contained in:
SoftFever
2026-07-27 12:30:57 +08:00
parent 1696d5ca39
commit c3c37e474a
2 changed files with 59 additions and 30 deletions
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8
src/libslic3r/GCode/WipeTower2.hpp
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@@ -149,6 +149,7 @@ public:
struct FilamentParameters {
std::string material = "PLA";
bool is_soluble = false;
bool is_support = false;
int temperature = 0;
int first_layer_temperature = 0;
int interface_print_temperature = 0;
@@ -329,9 +330,10 @@ private:
std::vector<float> m_used_filament_length;
std::vector<std::pair<float, std::vector<float>>> m_used_filament_length_until_layer;
// Return index of first toolchange that switches to non-soluble extruder
// ot -1 if there is no such toolchange.
int first_toolchange_to_nonsoluble(
// Return the index of the toolchange whose new filament should print the layer's
// finish extrusions (sparse infill + wall + brim), or -1 to print them with the
// layer's incoming filament before any toolchange happens.
int first_toolchange_to_nonsoluble_nonsupport(
const std::vector<WipeTowerInfo::ToolChange>& tool_changes) const;
void toolchange_Unload(