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Spiked icosahedron | by Michał Kosmulski
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Spiked icosahedron

This kusudama is a refold of an old spiked icosahedron model of mine with nicer paper. It’s a modular design which uses 30 units.


The unit, which I call the Sturdy Edge Module (StEM), is a variant of an edge unit; I call usage like this the “face variant” since the unit covers a face rather than an edge of the solid. When I invented the module, I though it was very original, but soon I learned it was actually pretty common and had been independently designed by many others before (it’s just a variant of the classic Ow’s edge unit). Dave Mitchell invented this “face configuration” (under the name Cube-Corner Star) as early as 1993.

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Taken on August 26, 2016