3d mould for the Face of a Woman, in silicone, you can use it to make a beautiful face with polymer clay. How to use the cast in 3d? Simply push the dough into the mold and press well, wrap it with the masking tape. We advice you to put it in the freezer for a few minutes to harden for increased hold. Size of the mold to cast the face: 5.5 cm diameter 4 cm.