Customized version of http://www.thingiverse.com/thing:56148

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=56148

Using the following options:

number_of_teeth_on_planets = 7
print_plate_planet_shift = 3
dplanethole = 3
nTwist = 1
approximate_number_of_teeth_on_sun = 15
number_of_planets = 4
daxle = 6.5
tol = 0.0
P = 45
T = 15
D = 51.7