G-code place holder "bed_mesh_probe_distance "does not behave like an array #580

New Issue

MrUnknownDE · 2026-04-05T16:23:12+02:00

MrUnknownDE commented

2026-04-05 16:23:12 +02:00

Originally created by @mhzpower on 2/27/2026

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2beta2

Operating System (OS)

Windows

OS Version

Windows 11

Additional system information

Device name DESKTOP-LRS8KT1
Processor Intel(R) Core(TM) i7-10700T CPU @ 2.00GHz (2.00 GHz)
Installed RAM 32.0 GB (31.6 GB usable)
System type 64-bit operating system, x64-based processor

Duet3 with Duet3D 3.6.2-rc.1 RRF firmware

Printer

Voron Trident

How to reproduce

Add custom start G-code
M557 X{adaptive_bed_mesh_min[0]}:{adaptive_bed_mesh_max[0]} Y{adaptive_bed_mesh_min[1]}:{adaptive_bed_mesh_max[1]} S{bed_mesh_probe_distance[0]}:{bed_mesh_probe_distance[1]}
Slice model
Upload to printer from Orca

Actual results

G-code will not load due to slicing error:
M557 X178.425:219.295 Y107.119:147.992 S20,20:20,20

Expected results

The S parameter should read S20:20

Project file & Debug log uploads

No debug log. Sliced g-code file will not load in printer firmware due to bad format M557 line above

Checklist of files to include

Log file
Project file

Anything else?

No response

*Originally created by @mhzpower on 2/27/2026* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2beta2 ### Operating System (OS) Windows ### OS Version Windows 11 ### Additional system information Device name DESKTOP-LRS8KT1 Processor Intel(R) Core(TM) i7-10700T CPU @ 2.00GHz (2.00 GHz) Installed RAM 32.0 GB (31.6 GB usable) System type 64-bit operating system, x64-based processor Duet3 with Duet3D 3.6.2-rc.1 RRF firmware ### Printer Voron Trident ### How to reproduce 1. Add custom start G-code `M557 X{adaptive_bed_mesh_min[0]}:{adaptive_bed_mesh_max[0]} Y{adaptive_bed_mesh_min[1]}:{adaptive_bed_mesh_max[1]} S{bed_mesh_probe_distance[0]}:{bed_mesh_probe_distance[1]}` 2. Slice model 3. Upload to printer from Orca ### Actual results G-code will not load due to slicing error: `M557 X178.425:219.295 Y107.119:147.992 S20,20:20,20` ### Expected results The S parameter should read S20:20 ### Project file & Debug log uploads No debug log. Sliced g-code file will not load in printer firmware due to bad format M557 line above ### Checklist of files to include - [ ] Log file - [ ] Project file ### Anything else? _No response_

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Reference: github/OrcaSlicer#580