Beta - Files loaded from Onshape give error: "This 3MF file was generated by an old OrcaSlicer version, loading geometry data only" #635

New Issue

MrUnknownDE · 2026-04-05T16:24:37+02:00

MrUnknownDE commented

2026-04-05 16:24:37 +02:00

Originally created by @Wegerich on 2/23/2026

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2-beta2 7e6fce7

Operating System (OS)

Windows

OS Version

Windows 11

Additional system information

No response

Printer

n/a

How to reproduce

Export this CAD file from onshape as a 3MF file - no print settings, there is only geometry data: https://cad.onshape.com/documents/7a486acfc5c1bb9a54beab0c/w/f3f2ab6e7f2af22dda33d76b/e/86e12a5b11a0e042c39abd33?renderMode=0&uiState=699be488c0faa450d29e986f
Open in Orcaslicer

Actual results

Orcaslicer displays a warning, saying that the file was made in an old version of orcaslicer, but it has never been opened in orcaslicer

Expected results

The warning should not say it was made in a version of orcaslicer

Project file & Debug log uploads

Printer presets.zip

airtag concealer - Glue lid.zip

Checklist of files to include

Log file
Project file

Anything else?

No response

*Originally created by @Wegerich on 2/23/2026* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2-beta2 7e6fce7 ### Operating System (OS) Windows ### OS Version Windows 11 ### Additional system information _No response_ ### Printer n/a ### How to reproduce 1. Export this CAD file from onshape as a 3MF file - no print settings, there is only geometry data: https://cad.onshape.com/documents/7a486acfc5c1bb9a54beab0c/w/f3f2ab6e7f2af22dda33d76b/e/86e12a5b11a0e042c39abd33?renderMode=0&uiState=699be488c0faa450d29e986f 2. Open in Orcaslicer ### Actual results Orcaslicer displays a warning, saying that the file was made in an old version of orcaslicer, but it has never been opened in orcaslicer <img width="760" height="231" alt="Image" src="https://github.com/user-attachments/assets/f883eb2e-beca-4c7e-835c-f700fd22f39b" /> ### Expected results The warning should not say it was made in a version of orcaslicer ### Project file & Debug log uploads [Printer presets.zip](https://github.com/user-attachments/files/25476072/Printer.presets.zip) [airtag concealer - Glue lid.zip](https://github.com/user-attachments/files/25476075/airtag.concealer.-.Glue.lid.zip) ### Checklist of files to include - [ ] Log file - [ ] Project file ### Anything else? _No response_

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Reference: github/OrcaSlicer#635