HOW TO CREATE A EPICYCLOID HYPOID GEAR PART?

Epicycloid hypoid gear most be used in rear axle of cars .

Now i want to create a 3D model of epicycloid hypoid gear and the question i`m having now  is  how could i draw the epicycloid hypoid curve .

email : fscxb@outlook.com      if you are experienced in this field ,pls give a help .

This is epicycloid hypoid gears :

SolidworksParts And Features