Modular origami is a type of paperfolding that uses many sheets of paper. Modular origami is used to make large structures that cannot be made with one sheet of paper. Many sheets of paper are folded in identical shapes, and they are then put together by inserting flaps into pockets.
An orizuru, or paper crane, is a classically designed paper Japanese origami. Red paper cranes is a representation of the Japanese red-crowned crane which is special in Japanese culture. The orizuru is often is used restaurant table decoration. Senbazuru, which means "thousand cranes," are one thousand paper cranes strung together.