D4.8.3 (EntityTopic, 16)
From Hi.gher. Space
D4.8.3 is a bilbirothawroid related to D4.8.1. It replaces the configuration of four J91's surrounding an octahedron in D4.8.1 with four J92's surrounding an octahedron instead, with 4 tridiminished icosahedra and a number of square pyramids and pentagonal pyramids filling in the remaining gaps.
Projections
Centered on octahedron surrounded by four J92's:
With tridiminished icosahedra highlighted: