Insert pause or custom G-code at layer

Add Command `M600` in Your G-Code File - Official Articles - Snapmaker: where creation happens

Feature] Pause to add external parts · Issue #1581 · bambulab/BambuStudio · GitHub

Pause doesn't work · Issue #4940 · Klipper3d/klipper · GitHub

Filament change at layer - Page 2 - UltiMaker Cura - UltiMaker Community of 3D Printing Experts

Change Filament at specific layer? - Bambu Lab Software - Bambu Lab Community Forum

Add Command `M600` in Your G-Code File - Official Articles - Snapmaker: where creation happens

Bug] Color Change Command Adding Retraction after M600 - Delaying, g1 f1800

Feature Request]: Add ability to change plus default g-code or function · Issue #3722 · prusa3d/PrusaSlicer · GitHub

Prusa Slicer online manual page for 'insert pause at layer' is broken · Issue #10825 · prusa3d/PrusaSlicer · GitHub

NFC tags and Prusa slicer, adding a pause