# Tetrahedral prism (EntityTopic, 21)

### From Hi.gher. Space

The **tetrahedral prism** is a special case of a prism where the base is a tetrahedron. It is also the *digonal orthobicupolic ring*.[1] It is bounded by two tetrahedra and four triangular prisms.

## Projections

Notable Tetrashapes
| |

Regular:
| pyrochoron • aerochoron • geochoron • xylochoron • hydrochoron • cosmochoron |

Powertopes:
| triangular octagoltriate • square octagoltriate • hexagonal octagoltriate • octagonal octagoltriate |

Circular:
| glome • cubinder • duocylinder • spherinder • sphone • cylindrone • dicone • coninder |

Torii:
| tiger • torisphere • spheritorus • torinder • ditorus |

25. 1[11]^{1}Square pyramid prism | 26. 11
^{2}Tetrahedral prism | 27. [11^{1}]^{1}Triangular prismic pyramid |

List of tapertopes |