3DPrinting/PrusaSlicer-NonPlainar
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix of supports create overkill material that actually sopports nothing above it. #2245

Browse Source 
When expanding the 1st layer support layer, do it by small steps while
trimming with object to avoid supports to leak through object walls.
This commit is contained in:
Vojtech Bubnik 2021-02-24 19:49:38 +01:00
parent 34417574f5
commit 539e80e890
1 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/libslic3r/SupportMaterial.cpp
View File

@ -2643,9 +2643,18 @@ PrintObjectSupportMaterial::MyLayersPtr PrintObjectSupportMaterial::generate_raf
}
} else if (columns_base != nullptr) {
// Expand the bases of the support columns in the 1st layer.
columns_base->polygons = diff(
inflate_factor_1st_layer > 0 ? offset(columns_base->polygons, inflate_factor_1st_layer) : columns_base->polygons,
offset(m_object->layers().front()->lslices, (float)scale_(m_gap_xy), SUPPORT_SURFACES_OFFSET_PARAMETERS));
{
Polygons &raft = columns_base->polygons;
Polygons trimming = offset(m_object->layers().front()->lslices, (float)scale_(m_gap_xy), SUPPORT_SURFACES_OFFSET_PARAMETERS);
if (inflate_factor_1st_layer > SCALED_EPSILON) {
// Inflate in multiple steps to avoid leaking of the support 1st layer through object walls.
auto nsteps = std::max(5, int(ceil(inflate_factor_1st_layer / m_first_layer_flow.scaled_width())));
float step = inflate_factor_1st_layer / nsteps;
for (int i = 0; i < nsteps; ++ i)
raft = diff(offset(raft, step), trimming);
} else
raft = diff(raft, trimming);
}
if (contacts != nullptr)
columns_base->polygons = diff(columns_base->polygons, interface_polygons);
if (! brim.empty()) {