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Missing top/bottom infill on multi-part model with custom infill settings #11721

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MattBlissett opened this issue Nov 22, 2023 · 2 comments
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@MattBlissett
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MattBlissett commented Nov 22, 2023

Description of the bug

The model no longer slices correctly once it has been split to parts with custom infill settings for each part. Parts are missing their top/bottom infill, and the affected parts varies depending on orientation.

The screenshot shows two instances of the same model. Four tail parts and the legs have 25% infill, the next piece 15%, and the other three (head, arms, chest) 10%.

Fiddling the infill values (e.g. 11%) seems to affect the result.

Seen in 2.7.0-rc2, but also 2.6.1. I last sliced this successfully on 2.5.0.

image

Project file & How to reproduce

Flexi-Rex-tree-decorations-bug.zip

Checklist of files included above

  • Project file
  • Screenshot

Version of PrusaSlicer

2.7.0-rc2

Operating system

Ubuntu 22.04

Printer model

Mk3S+

@lukasmatena
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Thanks, reproduced. We will look into it, but we will not fix it for the upcoming 2.7.0 release.
SPE-2054

@FidelCapo
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This issue should be fixed and the fix will be part of the next release.
Closing.

lukasmatena pushed a commit that referenced this issue Feb 9, 2024
…reported in #11721.

The temporary variable used for reordering ExPolygons wasn't cleared, and it contained empty ExPolygons from previous reordering. This caused those empty ExPolygons replaced actual ExPolygons for infill.

Another issue was that m_fill_expolygons was reordered, but m_fill_expolygons_bboxes were left untouched.
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