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Implementing a new switch for the shape of support towers:

Browse source 
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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14
src/libslic3r/PrintConfig.cpp
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@ -2419,6 +2419,20 @@ void PrintConfigDef::init_fff_params()
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionFloat(60));
def = this->add("support_material_style", coEnum);
def->label = L("Style");
def->category = L("Support material");
def->tooltip = L("Style and shape of the support towers. Projecting the supports into a regular grid "
"will create more stable supports, while snug support towers will save material and reduce "
"object scarring.");
def->enum_keys_map = &ConfigOptionEnum<SupportMaterialStyle>::get_enum_values();
def->enum_values.push_back("grid");
def->enum_values.push_back("snug");
def->enum_labels.push_back(L("Grid"));
def->enum_labels.push_back(L("Snug"));
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionEnum<SupportMaterialStyle>(smsGrid));
def = this->add("support_material_synchronize_layers", coBool);
def->label = L("Synchronize with object layers");
def->category = L("Support material");