"no sparce layers" setting and toolchange gcode #496

New Issue

MrUnknownDE · 2026-04-05T16:21:44+02:00

MrUnknownDE commented

2026-04-05 16:21:44 +02:00

Originally created by @SFXelips on 3/3/2026

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2 RC

Operating System (OS)

Windows

OS Version

10 pro

Additional system information

No response

Printer

QIDI Q2 COMBO

How to reproduce

enable the no sparce layers setting, and slice the model where there is a material change. If there is at least one line, or even a space, in the printer's "gcode filament change" section, the draft tower will be generated incorrectly

Actual results

If you still run the print with this gcode, the printer will print the draft tower by air

Expected results

During the printing of the draft tower, the printer will lower itself to the required level, print it, and then restore the z-coordinate for further printing.

Project file & Debug log uploads

prime tower problem.zip

Checklist of files to include

Log file
Project file

Anything else?

*Originally created by @SFXelips on 3/3/2026* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2 RC ### Operating System (OS) Windows ### OS Version 10 pro ### Additional system information _No response_ ### Printer QIDI Q2 COMBO ### How to reproduce enable the no sparce layers setting, and slice the model where there is a material change. If there is at least one line, or even a space, in the printer's "gcode filament change" section, the draft tower will be generated incorrectly ### Actual results If you still run the print with this gcode, the printer will print the draft tower by air ### Expected results During the printing of the draft tower, the printer will lower itself to the required level, print it, and then restore the z-coordinate for further printing. ### Project file & Debug log uploads [prime tower problem.zip](https://github.com/user-attachments/files/25714931/prime.tower.problem.zip) ### Checklist of files to include - [ ] Log file - [x] Project file ### Anything else? <img width="1280" height="684" alt="Image" src="https://github.com/user-attachments/assets/6f560ae8-6b3f-4c59-b6f6-0b2e24b43bae" />

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Reference: github/OrcaSlicer#496