How are print settings inherited from machine settings, material settings and profiles

Hi all, I'm totally confused how exactly the print settings for a project are derived from machine settings, material settings and profile settings. I find my profiles constantly changing values I have entered in the profile(s) and saved. Now I for instance noticed my print speed for my 0.4 mm nozzle had changed to totally different values. I thought it might be drawn from the material, so I set the speed in the material, but it didn't update when choosing the material s

Yes your right . Nozzle size is used to define the minimum value and maximum value of the line_width . So it could be a problem if you want to print a 1. mm line width with a 0.4 nozzle . It will be not possible to change the value . But changing the Nozzle size will not change necessary your parameters. "line_width": { "label": "Line Width", "description": "Width of a single line. Generally, the width of each