PartDesign: Broken (paradoxical/impossible) geometry generated via double rectangular pocket (due to elusive OCC bug)

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3rd party: OCCHelp wantedType: Bugno-auto-close

Métriques du dépôt

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Description

Is there an existing issue for this?

I have searched the existing issues

Forums discussion

No response

Version

0.20 (Release)

Full version info

OS: Fedora Linux 37 (Workstation Edition) (KDE/default)
Word size of FreeCAD: 64-bit
Version: 0.20.2.29603 (Git) AppImage
Build type: Release
Branch: (HEAD detached at 0.20.2)
Hash: 930dd9a76203a3260b1e6256c70c1c3cad8c5cb8
Python 3.10.8, Qt 5.15.4, Coin 4.0.0, Vtk 9.1.0, OCC 7.6.3
Locale: English/United States (en_US)
Installed mods: 
  * ExtremeProDark 2.6.4

Subproject(s) affected?

PartDesign

Issue description

Given:

Complex shape
Tapered pocket of two rectangles Mount.Pocket003.Sketch011 generating trapezoid groove
Several additional transformations.
Same tapered pocket of two rectangles Mount.Pocket010.Sketch032 breaking geometry completely.

Green arrows point to correct behavior, red to broken geometry.

Anything else?