Using the scaling with `App.Vector(-1,-1,-1)` to mirror objects deforms the appearance of the object.
Open
Mod: Part
Status: Confirmed
Topic: Color
Type: Bug
- Dominant language
- C++
- Stars
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- Avg merge
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Description
### Is there an existing issue for this?
- [x] I have searched the existing issues
### Problem description
Using the scaling with `App.Vector(-1, -1, -1)` to mirror objects deforms the appearance of the object.
The object on the left was mirrored to the left, and the colors were messed up.

Discussion: https://forum.freecad.org/viewtopic.php?p=818394#p818394
### Full version info
```shell
0.21, 1.0, 1.1-dev
```
### Subproject(s) affected?
Core
### Anything else?
_No response_
### Code of Conduct
- [x] I agree to follow this project's Code of Conduct
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Assessment
This issue has not been assessed yet.