Square double gyroantitegmoid

The square double gyroantitegmoid is a convex isochoric polychoron and member of the double gyroantitegmoid family with 64 order-8 truncated digonal-octagonal gyronotches as cells. It is the third in an infinite family of isochoric square tegmatic swirlchora.

Each cell of this polychoron has rectangular pyramidal symmetry, with 1 rectangular-symmetric octagon, 2 mirror-symmetric pentagons, and 8 kites for faces.