Cylindrone (EntityTopic, 11)

From Hi.gher. Space

The cylindrone is a special case of the pyramid where the base is a cylinder. It has a single vertex, and is bounded by two cones, a cylinder, and an inverted arrinder. Its vertex-first projection into 3D is a cylinder containing two cones that meet at the central vertex.

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

17. 31
18. [21]1
19. [111]1
Cubic pyramid
List of tapertopes