Pentagonal tetraswirltegum

The pentagonal tetraswirltegum is a convex isochoric polychoron and member of the duoprismatic swirltegum family with 100 identical cells. It is the fourth in an infinite family of isochoric pentagonal hosohedral swirlchora.

Each cell of this polychoron has digonal symmetry, with 2 rectangle-symmetric octagons, 6 tetragons, and 4 triangles for faces.