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...erfect rotational symmetry in any direction, for instance, but a [[regular tetrahedron]] only has rotational symmetry through axes passing through the centers of ...l [[prism]], a six-sided pyramid, a cube, a [[cuboctahedron]], a [[triakis tetrahedron]], a [[disdyakis dodecahedron]], a [[disdyakis triacontrahedron]], and so o