How to Build Clay Sculptures. Polymer clay is a popular material for making simple sculptures. A kiln is not necessary because the clay cures quickly in a conventional oven. Anyone can build simple sculptures in the comfort of a kitchen.
Sculpted hand - This shows a clay sculpture which had been cast in silicone then painted. A great deal of surface texture had been added at the sculpting stage so that when they were cast in silicone and painted, they give an extremely realistic look.