Add setting to toggle filament start index with one(default) or zero(new) #1024

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MrUnknownDE · 2026-04-05T16:42:43+02:00

MrUnknownDE commented

2026-04-05 16:42:43 +02:00

Originally created by @JonasBouchard on 1/20/2026

Description

This adds the option to have a 0-based filament indexing instead of the default 1-based filament indexing. Some printers (Including most klipper printers such as ercf, toolchangers, etc) have a 0-based filament indexing and it can be pretty confusing when filaments dont have the same nomenclature in slicer and in printers GUI or WebUI.

Shortcuts to change filaments with numbers on the keyboard have also been adapted to work with the 0-based filament indexing so that, when 0 gets clicked on the keyboard while an object is selected, the selected object changes to filament 0.

Screenshots/Recordings/Graphs

Tests

Here are the tests I did and that seemed to work:

Activating and deactivating the option (of course)
Making sure all of the UI shown in the Screenshots/Recordings/Graphs section is updated in real time after toggling the option
Saving printer settings and 3mf files with the option toggled on and off
Increasing number of extruders of the printer with the option toggled on and off
Changing filament of a selected object with keyboard numbers (all numbers from 0 to 9 have been tested with the option toggled on and off)

*Originally created by @JonasBouchard on 1/20/2026* # Description  Closes #7100 This adds the option to have a 0-based filament indexing instead of the default 1-based filament indexing. Some printers (Including most klipper printers such as ercf, toolchangers, etc) have a 0-based filament indexing and it can be pretty confusing when filaments dont have the same nomenclature in slicer and in printers GUI or WebUI. Shortcuts to change filaments with numbers on the keyboard have also been adapted to work with the 0-based filament indexing so that, when 0 gets clicked on the keyboard while an object is selected, the selected object changes to filament 0. # Screenshots/Recordings/Graphs  <img width="730" height="582" alt="Screenshot 2026-01-17 033604" src="https://github.com/user-attachments/assets/5cb68076-2591-4c9a-a83c-1cb8786e4b35" /> <img width="509" height="314" alt="Screenshot 2026-01-17 033454" src="https://github.com/user-attachments/assets/189488b9-6b14-4a38-a643-9174e1602fb2" /> <img width="304" height="453" alt="Screenshot 2026-01-17 033510" src="https://github.com/user-attachments/assets/fbbbb724-0e59-403a-8512-217646a0924a" /> <img width="520" height="791" alt="Screenshot 2026-01-17 033548" src="https://github.com/user-attachments/assets/3dc955c7-4f81-4ad8-a0c9-fbe541edab01" /> ## Tests  Here are the tests I did and that seemed to work: - Activating and deactivating the option (of course) - Making sure all of the UI shown in the Screenshots/Recordings/Graphs section is updated in real time after toggling the option - Saving printer settings and 3mf files with the option toggled on and off - Increasing number of extruders of the printer with the option toggled on and off - Changing filament of a selected object with keyboard numbers (all numbers from 0 to 9 have been tested with the option toggled on and off)

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Reference: github/OrcaSlicer#1024