Triangular-square tetraswirltegum

The triangular-square tetraswirltegum is a convex isochoric polychoron and member of the duoprismatic swirltegum family with 48 identical cells.

Each cell of this polychoron has bilateral symmetry, with 2 mirror-symmetric octagons, 6 kites, and 4 isosceles triangles for faces.