Polytetrahedron

Polytetrahedron is a term used for three distinct types of objects, all based on the tetrahedron:

• A regular convex 4-polytope made up of 600 tetrahedral cells. It is more commonly known as a 600-cell or hexacosichoron.
• A polyform of regular tetrahedra.
• In origami, a polypolyhedron is "a compound of multiple linked polyhedral skeletons with uniform nonintersecting edges". There exist two topologically distinct polytetrahedra, each made up of four intersecting triangles.

See also

• Compound of five tetrahedra
• Compound of ten tetrahedra

Bibliography

• Sloane, N. J. A., ed. "Sequence A119602 (Number of nonisomorphic polytetrahedra with n identical regular tetrahedra connected face-to-face and/or edge-to-edge (chiral shapes counted twice))". OEIS Foundation. https://oeis.org/A119602. 
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