Incorrect perimeter #1834

beanz opened this Issue Mar 16, 2014 · 4 comments


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beanz commented Mar 16, 2014

If I slice Printable_Wrench_w_more_gap.A.0.stl from:

with slic3r default settings and:

--randomize_start  --layer-height 0.25 --first-layer-height 0.25

I see a perimeter cutting a corner at Z=0.5mm:



@alexrj alexrj added this to the 1.1.0 milestone Mar 23, 2014
alexrj commented Mar 24, 2014

Good catch, this is easily reproducible. After one hour of debugging, it turns out it's a Clipper bug.
Reported at

@alexrj alexrj added the Verified bug label Mar 24, 2014
@alexrj alexrj modified the milestone: 1.1.1, 1.1.0 Mar 25, 2014
alexrj commented Apr 19, 2014

Upstream bug was fixed, but no new release is available.


I have the fix in my work tree, could generate pull request if you are interested ...

alexrj commented Apr 19, 2014

I don't feel comfortable using development version of Clipper... let's wait for the release.

@alexrj alexrj modified the milestone: 1.1.2, 1.1.1 Apr 22, 2014
@alexrj alexrj closed this in 1fc76b7 Apr 22, 2014
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