Paper by Erik D. Demaine

Reference:

Erik D. Demaine, Martin L. Demaine, David A. Huffman, Duks Koschitz, and Tomohiro Tachi, “Characterization of Curved Creases and Rulings: Design and Analysis of Lens Tessellations”, in Origami⁶: Proceedings of the 6th International Meeting on Origami in Science, Mathematics and Education (OSME 2014), volume 1, Tokyo, Japan, August 10–13, 2014, pages 209–230, American Mathematical Society.

Abstract:

We describe a general family of curved-crease folding tessellations consisting of a repeating “lens” motif formed by two convex curved arcs. The third author invented the first such design in 1992, when he made both a sketch of the crease pattern and a vinyl model (pictured below). Curve fitting suggests that this initial design used circular arcs. We show that in fact the curve can be chosen to be any smooth convex curve without inflection point. We identify the ruling configuration through qualitative properties that a curved folding satisfies, and prove that the folded form exists with no additional creases, through the use of differential geometry.

Comments:

The paper is available as arXiv:1502.03191.

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