Paper by Erik D. Demaine

Reference:
Devin J. Balkcom, Erik D. Demaine, Martin L. Demaine, John A. Ochsendorf, and Zhong You, “Folding Paper Shopping Bags”, in Origami4: Proceedings of the 4th International Meeting of Origami Science, Math, and Education (OSME 2006), Pasadena, California, September 8–10, 2006, pages 315–334, A K Peters.

Abstract:
One of the most ubiquitous examples of origami is the common paper shopping bag. In a common model of paper folding, there are a finite number of creases, between which the paper must stay rigid and flat, as if made of plastic or metal plates connected by hinges. We show that (maybe surprisingly), the paper shopping bag cannot be flattened under this model using the usual pattern of creases. This raises the question of what foldings are possible in this model? We introduce some techniques for foldability analysis, and show that the bag may be flattened by adding new creases, or by adding new material between creases.

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Related papers:
PaperBag_CGW2004 (Folding Paper Shopping Bags)


See also other papers by Erik Demaine.
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Last updated March 27, 2017 by Erik Demaine.