Non-zero Z-offset setting in printer profile causes artifacts in slice output #1422

New Issue

MrUnknownDE · 2026-04-05T17:41:07+02:00

MrUnknownDE commented

2026-04-05 17:41:07 +02:00

Originally created by @marclefevre on 12/4/2025

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.31-beta

Operating System (OS)

Windows

OS Version

11

Additional system information

No response

Printer

Elegoo Centauri Carbon

How to reproduce

Add the attached stl file. Select any slice profile (I used 0.20 Standard). Edit the printer profile and put any non-zero Z-offset in and save. Slice. Observe rounded corner of object in Preview. Note artifacts.

Actual results

This is what results from using a non-zero z-offset.

Expected results

This is the result when using a Z-offset of zero.

Project file & Debug log uploads

Z0ffsetIssueProject.zip

Checklist of files to include

Log file
Project file

Anything else?

No response

*Originally created by @marclefevre on 12/4/2025* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.31-beta ### Operating System (OS) Windows ### OS Version 11 ### Additional system information _No response_ ### Printer Elegoo Centauri Carbon ### How to reproduce Add the attached stl file. Select any slice profile (I used 0.20 Standard). Edit the printer profile and put any non-zero Z-offset in and save. Slice. Observe rounded corner of object in Preview. Note artifacts. ### Actual results This is what results from using a non-zero z-offset. <img width="2365" height="1381" alt="Image" src="https://github.com/user-attachments/assets/20f2b726-3aeb-4626-8819-b7a851d1a8b2" /> ### Expected results This is the result when using a Z-offset of zero. <img width="2359" height="1378" alt="Image" src="https://github.com/user-attachments/assets/f30b16bf-e319-4440-8ed3-08ed7bde5071" /> ### Project file & Debug log uploads [Z0ffsetIssueProject.zip](https://github.com/user-attachments/files/23936616/Z0ffsetIssueProject.zip) ### Checklist of files to include - [ ] Log file - [ ] Project file ### Anything else? _No response_

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Reference: github/OrcaSlicer#1422