Hole pattern for mounting a fan
diameter of the fan hole
diameter of the fan mounting holes
distance of the fan mounting holes from the outside
number of arms
relative size of the inner disc
Style of the fan hole
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