Square-hexagonal tetraswirlprism

The square-hexagonal tetraswirlprism is a convex isogonal polychoron and member of the duoprismatic swirlprism family that consists of 16 hexagonal antiprisms, 24 square antiprisms, and 288 phyllic disphenoids of three kinds. 2 hexagonal antiprisms, 2 square antiprisms, and 12 phyllic disphenoids join at each vertex. It can be obtained as a subsymmetrical faceting of the hexadecagonal-icositetragonal duoprism.