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Use multiplication for support material speed

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It's initialized same as infill, caused division by 0 when 'auto' speed for support material was selected.
Fixes #3837
This commit is contained in:
Joseph Lenox 2017-04-02 22:08:38 -05:00 committed by GitHub
parent 90623c4170
commit 068ef7b9af
1 changed files with 1 additions and 1 deletions
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2
lib/Slic3r/Print/GCode.pm
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@ -120,7 +120,7 @@ sub export {
if ($self->print->has_support_material) {
my $object0 = $self->objects->[0];
my $flow = $object0->support_material_flow;
my $vol_speed = $flow->mm3_per_mm / $object0->config->get_abs_value('support_material_speed');
my $vol_speed = $flow->mm3_per_mm * $object0->config->get_abs_value('support_material_speed');
$vol_speed = min($vol_speed, $self->config->max_volumetric_speed) if $self->config->max_volumetric_speed > 0;
printf $fh "; support material extrusion width = %.2fmm (%.2fmm^3/s)\n",
$flow->width, $vol_speed;