D4.9.1 (EntityTopic, 15)
From Hi.gher. Space
D4.9.1 is a bilbirothawroid constructed from D4.9.0 by diminishing 6 bilunabirotunda pseudopyramids such that pyritohedral symmetry occurs.
D4.9.1 is a bilbirothawroid constructed from D4.9.0 by diminishing 6 bilunabirotunda pseudopyramids such that pyritohedral symmetry occurs.