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extraneous fill against sloped walls with fill every N layers #834

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Polygons used for N x depth fill surfaces need to be offset
by flow spacing before they are reused to clip lower fill surfaces.
Otherwise thin fill sections remain on clipped layers against sloping
walls, and the N x depth fill collides with them.
This commit is contained in:
Mike Sheldrake 2013-01-14 21:18:31 -08:00
parent 68fc91d854
commit bce3e96210
1 changed files with 9 additions and 2 deletions
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11
lib/Slic3r/Print/Object.pm
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@ -445,8 +445,8 @@ sub combine_infill {
my $area_threshold = $Slic3r::flow->scaled_spacing ** 2;
for my $region_id (0 .. ($self->print->regions_count-1)) {
# start from bottom, skip first layer
for (my $i = 1; $i < $self->layer_count; $i++) {
# start from top, skip lowest layer
for (my $i = $self->layer_count - 1; $i > 0; $i--) {
my $layerm = $self->layers->[$i]->regions->[$region_id];
# skip layer if no internal fill surfaces
@ -506,6 +506,13 @@ sub combine_infill {
{
my @new_surfaces = ();
push @new_surfaces, grep $_->surface_type != S_TYPE_INTERNAL, @{$lower_layerm->fill_surfaces};
# offset for the two different flow spacings
$intersection = [ map $_->offset_ex(
$lower_layerm->perimeter_flow->scaled_spacing / 2
+ $layerm->perimeter_flow->scaled_spacing / 2
), @$intersection];
foreach my $depth (1..$Slic3r::Config->infill_every_layers) {
push @new_surfaces, map Slic3r::Surface->new
(expolygon => $_, surface_type => S_TYPE_INTERNAL, depth_layers => $depth),