Hexagonal duoantitegum

The hexagonal duoantitegum, also known as the hexagonal-hexagonal duoantitegum, the 6 duoantitegum or the 6-6 duoantitegum, is a convex isochoric polychoron with 72 elongated tetragonal disphenoids as cells. Together with its dual, it is the first in an infinite family of hexagonal antiprismatic swirlchora. It is the second in an infinite family of isochoric hexagonal hosohedral swirlchora.