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Bugfix: crashing when concentric infill produced very narrow loops. #1740

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Alessandro Ranellucci 2014-02-10 16:02:47 +01:00
parent d099118ca7
commit ee82e56a4f
1 changed files with 2 additions and 1 deletions
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3
lib/Slic3r/Fill/Concentric.pm
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@ -47,9 +47,10 @@ sub fill_surface {
$last_pos = $paths[-1]->last_point; $last_pos = $paths[-1]->last_point;
} }
# clip the paths to avoid the extruder to get exactly on the first point of the loop # clip the paths to prevent the extruder from getting exactly on the first point of the loop
my $clip_length = scale $flow_spacing * &Slic3r::LOOP_CLIPPING_LENGTH_OVER_SPACING; my $clip_length = scale $flow_spacing * &Slic3r::LOOP_CLIPPING_LENGTH_OVER_SPACING;
$_->clip_end($clip_length) for @paths; $_->clip_end($clip_length) for @paths;
@paths = grep $_->is_valid, @paths; # remove empty paths (too short, thus eaten by clipping)
# TODO: return ExtrusionLoop objects to get better chained paths # TODO: return ExtrusionLoop objects to get better chained paths
return { flow_spacing => $flow_spacing, no_sort => 1 }, @paths; return { flow_spacing => $flow_spacing, no_sort => 1 }, @paths;