Square octagoltriate (EntityTopic, 11)

From Hi.gher. Space

The square octagoltriate is a powertope formed by taking the octagon of the square. It is therefore the convex hull of two irregular tesseracts, each being the duoprism of squares of side 1 and 1+√2, oriented in opposite axes.

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