Layer filament sequence not working for non-bbl multi-tool printers #327

New Issue

MrUnknownDE · 2026-04-05T16:19:55+02:00

MrUnknownDE commented

2026-04-05 16:19:55 +02:00

Originally created by @Noisyfox on 3/14/2026

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2-rc2

Operating System (OS)

Windows

OS Version

N/A

Additional system information

N/A

Printer

Any non-bbl multi-tool printer

How to reproduce

Having non-bbl printer with SEMM disabled and extruders > 1:
Add anything with multi-color painting
Set custom filament sequence:
Slice, and see the print order:

Actual results

The filament order shown above is 2->1->3, but we have specified 1->2->3.

Expected results

Should printed in 1->2->3 instead.

Project file & Debug log uploads

N/A

Checklist of files to include

Log file
Project file

Anything else?

Note: This should not be confused with #12449 since that one was focused on SEMM printers (at least the PR https://github.com/OrcaSlicer/OrcaSlicer/pull/12735 only solves the SEMM case) while this one is for multi-tool printers.

*Originally created by @Noisyfox on 3/14/2026* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2-rc2 ### Operating System (OS) Windows ### OS Version N/A ### Additional system information N/A ### Printer Any non-bbl multi-tool printer ### How to reproduce 1. Having non-bbl printer with SEMM disabled and extruders > 1: <img width="663" height="366" alt="Image" src="https://github.com/user-attachments/assets/ccd0d5e5-7443-4bf0-86c2-0d6cc82c9f59" /> 2. Add anything with multi-color painting 3. Set custom filament sequence: <img width="1236" height="1007" alt="Image" src="https://github.com/user-attachments/assets/fa99434c-e6db-4b37-8b48-88f139710d19" /> 4. Slice, and see the print order: <img width="1236" height="1007" alt="Image" src="https://github.com/user-attachments/assets/8831969f-9280-4b66-9b7f-e14d27ae9734" /> ### Actual results The filament order shown above is 2->1->3, but we have specified 1->2->3. ### Expected results Should printed in 1->2->3 instead. ### Project file & Debug log uploads N/A ### Checklist of files to include - [ ] Log file - [ ] Project file ### Anything else? Note: This should not be confused with #12449 since that one was focused on SEMM printers (at least the PR https://github.com/OrcaSlicer/OrcaSlicer/pull/12735 only solves the SEMM case) while this one is for multi-tool printers.

MrUnknownDE closed this issue

2026-04-05 16:19:55 +02:00

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Reference: github/OrcaSlicer#327