Round knob serrated outside for better gripping
Diameter of the knob (mm)
Number of serrations
higher values for deeper serrations (degrees)
Diameter of the bolt hole (mm)
D-Flat in fraction of the diameter
Width of the hex bolt head (mm)
Thickness of the material [mm]
Burn correction [mm] (bigger values for tighter fit)
Format of the resulting file
Label the parts (where available)
Print reference rectangle with given length [mm] (0 to disable)
Width of tabs holding parts in place [mm]
Add a QR Code with link or command line to the generated output
Style for inner corners
Spacing around parts (multiples of thickness [: extra space in mm])
Print surrounding boxes for some structures