Ultimaker / Ultimaker/CuraEngine

2.3: Back Seam Alignment issue

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#397 7 comments 0 reactions 0 assignees View on GitHub

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Type: Bug
Dominant language
C++
Stars
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Avg merge
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Merged PRs (30d)
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Description

Hi guys,

I'm trying to make a calibration print to check for gantry squareness. I want to leave the corners all very pure, and don't want seams there. With just a square shape, back seam alignment kept bouncing between back corners. To avoid that, I created a small bulge on the back wall to give the engine a more definitive "back". Now the seam on the very outer perimeter snaps to the back, but the other perimeter seams to not follow. Any way around this?

image

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the reported calibration-print scenario and the attached image, then trace how back seam alignment is applied to multiple perimeters. The issue names no source file or test, so the relevant slicing entry point and reproducible model would need to be located first. Done would mean determining whether all perimeter seams can consistently follow the selected back alignment and adding coverage for the behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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