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Keep the prime tower and its approach travel on non-rectangular beds

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The placement clamps and the tower-approach router both stood in the bed's
bounding box for the bed itself, so on a delta or hexagonal bed the prime tower
could be parked in a corner that does not exist and the nozzle could be routed
across it. Both now test the real printable outline, slicing reports a tower
that does not fit instead of printing it off the bed, and a tower parked near an
edge is routed along the clamped side rather than falling back to a straight
line across the tower.

Also fixes the placement validation rotating the tower hull by degrees read as
radians about the plate origin, and never rotating the generated tower footprint
at all.
This commit is contained in:
SoftFever
2026-08-06 15:48:40 +08:00
parent aa4e28b2b5
commit 7c73739e1a
10 changed files with 224 additions and 115 deletions
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src/libslic3r/GCode.hpp
+2 -2
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@@ -130,11 +130,11 @@ public:
private:
WipeTowerIntegration& operator=(const WipeTowerIntegration&);
std::string append_tcr(GCode &gcodegen, const WipeTower::ToolChangeResult &tcr, int new_extruder_id, double z = -1.) const;
Polyline generate_path_to_wipe_tower(const Point &start_pos, const Point &end_pos, const BoundingBox &avoid_polygon, const BoundingBox &printer_bbx) const;
Polyline generate_path_to_wipe_tower(const Point &start_pos, const Point &end_pos, const BoundingBox &avoid_polygon, const Polygons &bed_polygons) const;
std::string append_tcr2(GCode &gcodegen, const WipeTower::ToolChangeResult &tcr, int new_extruder_id, double z = -1.) const;
std::string travel_to_tower_gap(GCode &gcodegen, const Point &route_start, const Point &start_wipe_pos) const;
Vec2f transform_wt2_pt(const Vec2f &pt) const;
BoundingBox printer_travel_bounds(GCode &gcodegen) const;
Polygons shared_printable_area(GCode &gcodegen) const;
// Postprocesses gcode: rotates and moves G1 extrusions and returns result
std::string post_process_wipe_tower_moves(const WipeTower::ToolChangeResult& tcr, const Vec2f& translation, float angle) const;