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The Eccentricity of Twins

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Uploaded by on May 17, 2008

Using the Generalized Dual Method, an arrangement of planes goes to a zonohedral tiling. If certain subsets of the planes are forced to intersect at two given points, twin zonohedra arise, within the tiling ...

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Uploader Comments (rufus16180339887)

  • Thanks! The way these tilings arise is convoluted: I take a set of symmetry vectors (here, the edge-centers of the Platonic Icosahedron), and then create an "arrangement of planes" perpendicular to the symmetry vectors. Wherever the planes intersect in a single point, a zonohedron arises in the tiling. So I paint tilings, as it were, but my brush is arrangements of planes. I cannot usually predict just what is going to happen! And that is part of the fun ...

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  • It looks like the palace floor of a four dimensional king.

  • This an be done -- although while all zonohedra are polyhedra, not all polyhedra are zonohedra. A zonohedron is a convex polyhedron bounded entirely by centrally-symmetrical polygons. Such polygons always have an even number of sides, just as zonohedra have an even number of faces.

    Zonohedral tilings with all regular polygons certainly exist: the space-filling of cubes, or of of Truncated Octahedra, or of mixtures including the Truncated Cuboctahedron, and right regular 2n-gonal prisms.

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