Easy the top of the clay with a damp brush, then set four 1/4 " round 1" extended pieces of clay on the sleep to do something as keys for the silicone. Set an item of clay on the top of the sculpture to do something as a pour spout (Sometimes the pour starting is likely to be over the seam line. For the reason that event, make sure to keep it start, never cover the pour hole)
Put a slim layer of Vaseline on the clay bed and sculpture.
(Read and follow caution brands on all chemicals) Mix 1/3 glass of silicone with 2 tbsp of plastic cement together in a bowl. Needs to have the structure of peanut butter.
Distribute the silicone on the clay sleep and sculpture. Don't protect the the surface of the pour hole.
Push 1 ½ sq bits of drywall mesh into the silicone. silicone molds for fondant that people didn't protect the pour hole.
Protect the mesh with a thin coating of you silicone mixture.
Cover dried silicone with coating of Vaseline. Then combine plaster into a dish with water, it will feel just like pudding when precisely mixed. Then set a thin layer of blended plaster on the Vaseline coated surface of silicon (do not protect put hole).
Proceed to soak 3x 2 items of burlap in mixed plaster and place them on the plaster layer from past step. Do not cover put hole. As the plaster is still damp, carefully apply the outer lining of the burlap with h2o and smooth out the surface.
Slice the clay sleep clear of your work surface with anything sharp (never cut towards yourself). Change on the form and eliminate clay bed from sculpture. The clay inside the main element slots must be eliminated as well. Clear any remaining clay portions off.
Cover first 1 / 2 of the shape and sculpture with Vaseline (don't forget to put Vaseline in the keys). Now replicate the entire method with this side.