y_after_toolchange set negative values #1783

New Issue

MrUnknownDE · 2026-04-05T19:51:52+02:00

MrUnknownDE commented

2026-04-05 19:51:52 +02:00

Originally created by @M-M90 on 10/29/2025

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.1

Operating System (OS)

Windows

OS Version

Windows 11

Additional system information

No response

Printer

Anycubic i3Mega-X on Klipper

How to reproduce

add the "_after_toolchange" parameter to machine g-code "change filament g-code" block.
after generating the gcode file, new y position is negative.

Actual results

Change Filament G-Code

New Position from the Slicer

Position from the change filament g-code section

Expected results

Correct G-Code location for Y

Project file & Debug log uploads

debug_Wed_Oct_29_12_15_48_18540.txt

Checklist of files to include

Log file
Project file

Anything else?

No response

*Originally created by @M-M90 on 10/29/2025* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.1 ### Operating System (OS) Windows ### OS Version Windows 11 ### Additional system information _No response_ ### Printer Anycubic i3Mega-X on Klipper ### How to reproduce 1. add the "_after_toolchange" parameter to machine g-code "change filament g-code" block. 2. after generating the gcode file, new y position is negative. ### Actual results Change Filament G-Code <img width="713" height="170" alt="Image" src="https://github.com/user-attachments/assets/7db35aaa-f821-4cae-bc95-9cc3b2558339" /> New Position from the Slicer <img width="444" height="441" alt="Image" src="https://github.com/user-attachments/assets/3ff29325-def4-4db3-a757-f25579622d9f" /> Position from the change filament g-code section <img width="813" height="237" alt="Image" src="https://github.com/user-attachments/assets/2e065e43-b1eb-4edc-af93-b7075bb59128" /> ### Expected results Correct G-Code location for Y ### Project file & Debug log uploads [debug_Wed_Oct_29_12_15_48_18540.txt](https://github.com/user-attachments/files/23213878/debug_Wed_Oct_29_12_15_48_18540.txt) ### Checklist of files to include - [x] Log file - [ ] Project file ### Anything else? _No response_

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Due Date

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Dependencies

No dependencies set.

Reference: github/OrcaSlicer#1783