Portal:Origami/Selected article/July 2007

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Modular origami, otherwise known as unit folding, is a form of origami involving the use of several pieces of paper to create one model. Each individual sheet of paper is folded into a module or unit, and then the pieces are assembled into a flat shape or three-dimensional structure by inserting flaps into pockets created by the folding process. This process creates tension in the model allowing this units to remain together. Modular origami can be viewed as a sub-set of multi-piece origami, and therefore the rules of origami still apply.

The first historical evidence for a modular origami design comes from a Japanese book by Hayato Ohoka published in 1734 called Ranma Zushiki. It contains a print that shows a group of traditional origami models, one of which is a modular cube.