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Mirroring parts voids Supports Painting Layer when "Auto generated supports" is turn ON #15133

@JRTrudel

Description

@JRTrudel

Description of the bug

When I mirror my object after painting seams and supports, supports generation do not take in count anymore the support painting if "Auto Generated Support s" is turn ON

Seams painting still working on a mirrored object. But support painting stop working.

It seem mirrored objects in general do not accept the Support painting.

Prusa 2.9.4

Project file & How to reproduce

  • My object are scale down to 66.67%

  • They all have Seams Painting

  • "Auto Generated Support" is turn ON

  • Paint Supports Layer.

  • Paint Seams Layer

  • Slice and verify Support and seams creation

  • Painting is respected for Seams ans Supports

  • Mirror the object in "X" axis

  • Slice again

  • Painting is respected for Seams but Support painting is not taked in count anymore.

Deleting and repainting did not change results.

Checklist of files included above

  • Project file
  • Screenshot

Version of PrusaSlicer

2.9.4

Operating system

Windows 11

Printer model

Customized Ender 3 on Reprap Board

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