Snub demitesseract (EntityTopic, 11)

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Revision as of 00:58, 19 December 2010 by Hayate (Talk | contribs)


The snub demitesseract is the sole uniform snub polychoron form. It can be formed by the construction of alternated truncated 24-cell or alternated cantitruncated 16-cell. However, it's not a snub of either family, as the alternation is not of either parent's omnitruncate.

When correctly represented, the snub demitesseract's Coxeter-Dynkin symbol is that of a three-pronged star, with all four nodes as snub rings.

It is composed of 120 tetrahedra and 24 icosahedra; five tetrahedra and three icosahedra meet at each vertex. In total it has 480 triangular faces, 432 edges, and 96 vertices.

The hydrochoron can be constructed by raising pyramids on each face of the xylochoric snub.


Notable Tetrashapes
Regular: pyrochoronaerochorongeochoronxylochoronhydrochoroncosmochoron
Powertopes: triangular octagoltriatesquare octagoltriatehexagonal octagoltriateoctagonal octagoltriate
Circular: glomecubinderduocylinderspherindersphonecylindronediconeconinder
Torii: tigertorispherespheritorustorinderditorus