Multimaterial Warning with the Snapmaker U1 #971

New Issue

MrUnknownDE · 2026-04-05T16:38:47+02:00

MrUnknownDE commented

2026-04-05 16:38:47 +02:00

Originally created by @Brass-Industries on 1/26/2026

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2-dev

Operating System (OS)

Windows

OS Version

Windows 11

Additional system information

CPU: AMD Ryzen AI 9 HX370
RAM: 32gb
GPU: RTX 4070 Laptop

Printer

U1 Snapmaker

How to reproduce

Add PLA Benchy
change Support and Raft Material to PETG
Slice

Actual results

In the bottom right should a Popup appear with the Warning:

and a link to the Bambu Wikipage

https://wiki.bambulab.com/en/filament-acc/filament/h2d-pla-and-petg-mutual-support

Expected results

There shuldn't be a Warning because the U1 is a multi Toolhead Printer

Project file & Debug log uploads

OrcaSlicer Bug.zip

Checklist of files to include

Log file
Project file

Anything else?

The Bug only appears after slicing, otherwise the projectfile stood the same

*Originally created by @Brass-Industries on 1/26/2026* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2-dev ### Operating System (OS) Windows ### OS Version Windows 11 ### Additional system information CPU: AMD Ryzen AI 9 HX370 RAM: 32gb GPU: RTX 4070 Laptop ### Printer U1 Snapmaker ### How to reproduce 1. Add PLA Benchy 2. change Support and Raft Material to PETG 3. Slice ### Actual results In the bottom right should a Popup appear with the Warning: <img width="380" height="85" alt="Image" src="https://github.com/user-attachments/assets/eff644b4-5e3c-46bf-9f6d-9bc0ab777729" /> and a link to the Bambu Wikipage https://wiki.bambulab.com/en/filament-acc/filament/h2d-pla-and-petg-mutual-support ### Expected results There shuldn't be a Warning because the U1 is a multi Toolhead Printer ### Project file & Debug log uploads [OrcaSlicer Bug.zip](https://github.com/user-attachments/files/24859237/OrcaSlicer.Bug.zip) ### Checklist of files to include - [ ] Log file - [x] Project file ### Anything else? The Bug only appears after slicing, otherwise the projectfile stood the same

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Reference: github/OrcaSlicer#971