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Implementing a new switch for the shape of support towers:

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expanded to a grid (the old way) vs.
snug (like the upstream Slic3r, Cura or Ideamaker).

Snug supports suffered from the degeneracies when merging overhang islands
over a large number of layers when projecting the support towers down.
We borrowed the idea & a bit of code from Cura by simplifying the support
polygons by closing the concave cracks, see the smooth_outward() function
and the MutablePolygon class.

Fixes Support problems with models with hole in the walls. #555
Fixes Support in the Air #740
Fixes [Bug] Supports generated beyond bed edges (X<0 and X>250) and where none are needed. #902
Fixes Unable to remove support material/can't change support "inflation distance" #2708
Fixes FR: support inflation and support conform to boundary #4783
Fixes Support blocker not working on this model #1346
Fixes Unnecessary support material #1993
Fixes support blocker enforcer issue #6240
This commit is contained in:
Vojtech Bubnik
2021-03-23 11:06:31 +01:00
parent 00295919bf
commit af9c7c967f
10 changed files with 208 additions and 151 deletions
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src/libslic3r/PrintObject.cpp
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@@ -588,6 +588,7 @@ bool PrintObject::invalidate_state_by_config_options(
|| opt_key == "support_material_interface_extruder"
|| opt_key == "support_material_interface_spacing"
|| opt_key == "support_material_pattern"
|| opt_key == "support_material_style"
|| opt_key == "support_material_xy_spacing"
|| opt_key == "support_material_spacing"
|| opt_key == "support_material_synchronize_layers"