Strange artefacts when slicing model

[Surion79]

Is there an existing issue for this problem?

• I have searched the existing issues

OrcaSlicer Version

2.1.1

Operating System (OS)

Windows

OS Version

Win 11

Additional system information

AMD CPU, AMD GPU 64 GB RAM

Printer

Voron 2.4R2

How to reproduce

get file from Galileo 2 repo "[a] xl_stepper_plate_right x2.stl" or respective left. and lisce it

Actual results

Expected results

This (expected result) has been sliced with superslicer 2.5.59.12

Project file & Debug log uploads

debug_Sat_Jul_13_10_26_52_7844.log.zip

Issue_Slicing.zip

Checklist of files to include

• Log file
• Project file

Anything else?

No response

[Ergonomicmike]

related? #5288

[Surion79]

nope, it is not a single line, the additional layer/heigt is ~50% and not single lines.
also it is not a pure rendering issue. it really prints that way

[YozenPL]

I also have some strange behavior with top visible layer.
BambuStudio:

OrcaSlicer:

This is exact the same 3mf file (I removed some letters to not make any promotion)
File: logo_part.zip

[github-actions]

Orca bot: this issue is stale because it has been open for 90 days with no activity.

[github-actions]

Orca bot: This issue was closed because it has been inactive for 7 days since being marked as stale.