# Cyltetrahedrinder (EntityTopic, 11)

### From Hi.gher. Space

The **cyltetrahedrinder** is the Cartesian product of a tetrahedron and a circle.

It is bounded by four cyltrianglinders and one curved 4-surface of some description. Its cells are six cylinders and four curved cells formed by bending prisms of the faces of the tetrahedron around in 4D. Its faces are four circles and six curved-cylinder-surfaces. It has four edges and no vertices.

## Projection

The following is a projection of the cyltetrahedrinder. Note that the green lines and the black lines are actually transitive with each other:

Notable Pentashapes
| |

Flat:
| pyroteron • aeroteron • geoteron |

Curved:
| tritorus • pentasphere • glone • cylspherinder • tesserinder |

49. 2[11]^{1}Cylhemoctahedrinder | 50. 21
^{2}Cyltetrahedrinder | 51. 112^{1}Conic diprism |

List of tapertopes |