Truncate a vertex of a Platonic solid and you get a face that fits the Platonic solid below it (if there is one). That's a remarkable property. Is there a reason for it, or just coincidence?
Originally shared by Henry SegermanRubenstein's cactus, joint work with . This is based on a pattern in the truncations of the Platonic solids.
Joint work with Rick Rubenstein. Available from Shapeways at http://shpws.me/r1iO
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