Customized version of http://www.thingiverse.com/thing:373707

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=373707

Using the following options:

number_of_planets = 3
depth = 1
t_vert = 0
number_of_teeth_on_planets = 4
approximate_number_of_teeth_on_sun = 9
font = write/Letters.dxf
tol = 0.7
w = 10
P = 45
T = 10
D = 50
nTwist = 1
t_size = 8
text = KG