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Math Monday: Paper plate geometry

By George Hart for the Museum of Mathematics

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The raw material for making mathematical constructions can be found all around you. Bradford Hansen-Smith makes intricate geometric sculptures entirely from paper plates. The above icosahedral form is assembled from eighty folded plates that interlock.

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This helical form is constructed from 128 paper plates.

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This crystal lattice is made from 181 plates.

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And this exponentially-branching construction consists of 517 paper plates!

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