Sculpture technique using a solid mineral substance. Technic Sculpture Sculpture is an artistic activity which consists of designing and producing shapes in volume in relief either in the round (statuary) in high relief in low relief by modeling by direct carving by welding or assembly. The term sculpture also designates the object resulting from this activity.###Sculpture technique using a solid mineral substance. Technic Sculpture Sculpture is an artistic activity which consists of designing and producing shapes in volume in relief either in the round (statuary) in high relief in low relief by modeling by direct carving by welding or assembly. The term sculpture also designates the object resulting from this activity.