3D-printing/OrcaSlicer
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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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15
src/libslic3r/PrintConfig.hpp
View file

@ -65,6 +65,10 @@ enum SupportMaterialPattern {
smpRectilinear, smpRectilinearGrid, smpHoneycomb,
};
enum SupportMaterialStyle {
smsGrid, smsSnug,
};
enum SupportMaterialInterfacePattern {
smipAuto, smipRectilinear, smipConcentric,
};
@ -211,6 +215,15 @@ template<> inline const t_config_enum_values& ConfigOptionEnum<SupportMaterialPa
return keys_map;
}
template<> inline const t_config_enum_values& ConfigOptionEnum<SupportMaterialStyle>::get_enum_values() {
static t_config_enum_values keys_map;
if (keys_map.empty()) {
keys_map["grid"] = smsGrid;
keys_map["snug"] = smsSnug;
}
return keys_map;
}
template<> inline const t_config_enum_values& ConfigOptionEnum<SupportMaterialInterfacePattern>::get_enum_values() {
static t_config_enum_values keys_map;
if (keys_map.empty()) {
@ -519,6 +532,7 @@ public:
// Spacing between support material lines (the hatching distance).
ConfigOptionFloat support_material_spacing;
ConfigOptionFloat support_material_speed;
ConfigOptionEnum<SupportMaterialStyle> support_material_style;
ConfigOptionBool support_material_synchronize_layers;
// Overhang angle threshold.
ConfigOptionInt support_material_threshold;
@ -570,6 +584,7 @@ protected:
OPT_PTR(support_material_interface_pattern);
OPT_PTR(support_material_spacing);
OPT_PTR(support_material_speed);
OPT_PTR(support_material_style);
OPT_PTR(support_material_synchronize_layers);
OPT_PTR(support_material_xy_spacing);
OPT_PTR(support_material_threshold);