Fancy silicon wheel for tt Motor

This is a 3D printed silicon wheel design with 2 sizes. 

equipments :

liquid silicone. ( usually the 50 50 one will work) .

m3 screws. 

steps : 

1. after printing the 3d printed parts pour silicon on a cup with the ratios recommended from company ( usually 50 50 ) and mix it well.
2. screw the 2 part  mold together and make sure the 2 square sides are together. 
3. place the wheel upside down where the center part alines with the small hole on the mold. The wheel should not move after placing it there.
4. pour the silicon in between the gaps until it is full. then wait after few minutes and pour again. 
5. wait around 12 hours until the silicon become rubbery then unscrew the mold. 
6. pull the 2 parts of the mold then push the wheel out from the back. should come out fairly easily.