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.