Great 8-3 bigyrochoron

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

Each cell of this polychoron is completely asymmetric, with 1 decagon, 1 octagon, 2 hexagons, 2 pentagons, 2 tetragons, and 4 triangles for faces.