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Fix speed math for wipe, which was causing too fast retraction. Includes regression test. #1468

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This commit is contained in:
Alessandro Ranellucci 2013-10-13 17:04:47 +02:00
parent bc0b9e1b72
commit 4c2c31b554
3 changed files with 22 additions and 8 deletions
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3
lib/Slic3r/Extruder.pm
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@ -41,6 +41,9 @@ sub _build_retract_speed_mm_min {
sub _build_scaled_wipe_distance {
my $self = shift;
# how far do we move in XY at travel_speed for the time needed to consume
# retract_length at retract_speed?
# reduce feedrate a bit; travel speed is often too high to move on existing material
# too fast = ripping of existing material; too slow = short wipe path, thus more blob
return scale($self->retract_length / $self->retract_speed * $Slic3r::Config->travel_speed * 0.8);