Ways to Make A Silicone Mold - Using Household Items
This is a detail by detail tutorial of how to create a silicone mold. The items used are all household products.
Step 1 1 Place the sculpture on a bed of clay. The clay needs to cover ½ of the sculpture. If this were a plaster mold, the midline where the clay goes up to needs to be along the highest points with no undercuts. This is the surface you will make the first half of your mold on.
Step 2 2 Smooth the surface of the clay with a wet brush, then put four 1/4 " round 1" long pieces of clay on the bed to act because keys for the silicone. Put a piece of clay on the top of the sculpture to act as a pour spout ( Sometimes the pour opening will become along the seam collection. In that case, make sure to leave it open, never cover the pour hole)
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Step 3 Place a thin level of Vaseline on the clay sculpture and bed.
Step 4 (Read and stick to caution labels on all chemical substances ) Mix 1/3 glass of silicone with 2 tbsp of rubber cement jointly in a bowl. Must have the consistency of peanut butter.
Stage 5 Spread the silicone on the clay sculpture and bed. Do not really cover the very best of the pour hole.
Step 6 Press 1 ½ square bits of drywall mesh in to the silicone. Observe that we didn't cover the pour hole.
Stage 7 Cover the mesh with a thin level of you silicone mix.
Step 8 Cover dried out silicone with level of Vaseline. Mix plaster right into a bowl with water after that, it should feel like pudding when mixed correctly. Then put a slim layer of blended plaster on the Vaseline covered surface of silicone ( usually do not cover pour hole).
Step 9 Check out dip 3x 2 bits of burlap in mixed plaster and place them on the plaster level from previous step. Usually do not cover pour hole. As the plaster is certainly wet still, lightly spray the top of burlap with h2o and erase the surface.
Step 10 Slice the clay bed clear of your work surface with something sharpened ( by no means cut towards yourself). Start the mold and remove clay bed from sculpture. The clay in the key slots must be removed aswell. Clean any staying clay bits off.
Step 11 Cover initial fifty percent of the mold and sculpture with Vaseline ( do not forget to place Vaseline in the keys). Repeat the whole process on this side now.
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