A Polygon That Folds into a Regular Tetrahedron or into a Rectangular Box
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This Demonstration shows a polygon that folds into a regular tetrahedron or into a rectangular solid.
Contributed by: Izidor Hafner (March 2011)
Based on work by: Erik D. Demaine and Joseph O'Rourke
Open content licensed under CC BY-NC-SA
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Details
E. D. Demaine and J. O'Rourke, Geometric Folding Algorithms: Linkages, Origami, Polyhedra, New York: Cambridge University Press, 2007 p. 425.