A. Prepare related tools.
B. Polish and handle the orignal mold.
C. Brush the release agent on the original mold evenly.
D. Fix the original mold, clay and make mould-line.
E. Weigh part A liquid silicone & part B catalyst evenly by 100:3.
F. Mix and stir evenly and de-air by vacuum machine (less than 10 mins).
G. Brush the first layer. After cure, brush second layer with glass fiber.
H. Wait for cure.