mold (something) out of (something)
To create a model figure of something using a particular substance or medium. The kids are molding their favorite animals out of clay in art class today. She molds replicas of famous politicians out of scrap she collects from the junkyard.
mold something out of something
and mold something from somethingto form something, using a pliable substance, such as clay, plastic, wet concrete, etc. She molded a small turtle out of the moist clay. Elaine molded a turtle from the clay.