Trapezoprismatic intersected 8-3 bigyrochoron

The rhombiprismatic intersected 8-3 bigyrochoron, also known as the stegosaur 16, is a convex isochoric polychoron with 16 identical cells.

Each cell of this polychoron has bilateral symmetry, with 2 mirror-symmetric hexagons, 1 rhombus, 2 kites, and 4 scalene triangles for faces.