Rollability of Polyhedra
Index Entry
Rollability of Polyhedra:
"The more evenly faceted and the more uniform the radii of the respective polygonal members of the hierarchy of symmetrical polyhedra, the more closely they approach rollable sphericity. The four-facet tetrahedron, the six-faceted cube, and the eight-faceted octahedron are not very rollable, but the 12-faceted, one-sphere-containing rhombic dodecahedron, the 14-facted vector equilibrium, and the 14-faceted tetrakaidecahedron are easily rollable."
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