Frottage is the technique of copying the texture and shape of an object by placing a sheet of paper on top and rubbing with a pencil or similar implement. The term comes from the French word, "frotter", meaning, "to rub". There are a variety of co

Decalcomania, from the French décalcomanie, is the technique of placing paint between two sheets of paper or between paper and some other material and pressing down and spreading the paint. This produces a random pattern over which the artist has no