About this artwork: Classification, Techniques & Styles Cardboard Sculpture technique using a light and rigid material with a relatively high thickness and/or weight. Metals Sculpture technique using metal, generally malleable, ductile and light-reflecting material. Outsider Art Invented by Jean Dubuffet (1901-1985) in 1945, the idea is to create works with primitive graphics that take no academic reference into account. He will also advise to "draw like a child" and encourage self-taught artists. 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. View less