This postprocessing script allows you to calibrate your extrusion multiplier using multiple objects in a single print that was generated with Prusa Slicer. After reading through Ellis 3dp tuning guide ...

I believe this is due to a breaking change in node 22. I also believe the fix is to use the nodeJS options: spawn (command, args, { shell: true }); but that's a change to the CLI as we can't pass that ...