Carving foam is a foam product which is designed to be worked by carving. A wide variety of foams can be used for carving, including urethane foam, expanded polystyrene[polystyrene?:cnc ps/polystyrene cutting machine] (EPS) foam, and polyisocyanurate (ISO) foam. All of these carving foam share the trait of being firm, dry, and soft, in addition to being quite sturdy.
Carving foam comes in several colors and weights, ranging from very dense foam with small pores to more lightweight foam with larger pores. Some people use carving foam to fabricate prototypes, roughing out the shape of a product which will be rendered in another material. Carving foam can also be used to make a prototype[prototype?:fast prototype maker cutting machine] for a mold, or the underlying base for a floral arrangement or taxidermy project. Artists may also use carving foam to create the base for a sculpture, relying on the foam for support and coating it in substances like clay and paint.