Granite, limestone, sandstone. Marble Sculpture Pentelic, Carrara, Parian marbles. Bronze Sculpture Lostwax casting/sandcasting. Wood Carving Softwoods and hardwoods. Types of Relief Sculpture. There are three basic types of relief sculpture: (1) low relief (bassorelievo, or basrelief), where the sculpture projects only slightly from the background surface; (2) high .
Cultured marble is polymer resin mixed with marble dust or other whitening agent, such as calcium carbonate. Casting cultured marble involves how much of the additive you want to use; if you're casting a figure with fine detail, too much additive will prevent the resin from filling all the small voids in the mold.