Alphabet of 140 puzzle pieces programs origami | 1/7/2015 | Staff
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How can a single origami crease pattern be folded into two precisely defined target shapes? Researchers at AMOLF and Leiden University have created an "alphabet" of 140 origami "puzzle pieces" that allows them to do just that, as described today in Nature Physics. This discovery could help in the construction of origami robots and toward designing smart programmable materials.

Physics is not just quantum mechanics and black holes. Even the folding of paper, e.g., origami, poses many physics-related riddles, and with this research, one of those has been solved.

Peter - Dieleman - Nick - Vasmel - Scott

Peter Dieleman, Nick Vasmel, Scott Waitukaitis and Martin van Hecke from Leiden University, Department of Physics, and research institute AMOLF discovered a method to design foldable rigid origami. Useful in many technological applications, rigid origami deals with flat surfaces divided into rigid panels that fold along straight creases. "It is very difficult to design a rigid pattern that will fold," says Martin van Hecke. "Most patterns are overconstrained and must remain flat."

Until now, only a select few foldable rigid origami patterns were known, including Miura-ori, a fishbone pattern from the Japanese artistic tradition. Looking for more patterns, the researchers focused on those where four folds meet at every intersection in a so-called vertex.

Subset - Vertices - Researchers - Way - Tiles

Starting out from a small subset of four vertices, the researchers found a way to combine those into tiles with a vertex at every corner. Systematically checking all combinations, they found 140 basic...
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