number of teeth

diameter of the shaft 1

percent of the D section of shaft 1 (100 for round shaft)

number of teeth in the other size of gears

diameter of the shaft2 (zero for same as shaft 1)

percent of the D section of shaft 1 (0 for same as shaft 1)

size of teeth (diameter / #teeth) in mm

angle of the teeth touching (in degrees)

in percent of the modulus

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