thumb|A bitruncated cube is a truncated [[octahedron.]] thumb|A bitruncated cubic honeycomb - Cubic cells become orange truncated octahedra, and vertices are replaced by blue truncated octahedra.
thumb|A bitruncated cube is a truncated [[octahedron.]] thumb|A bitruncated cubic honeycomb - Cubic cells become orange truncated octahedra, and vertices are replaced by blue truncated octahedra.
In geometry, a bitruncation is an operation on regular polytopes. The original edges are lost completely and the original faces remain as smaller copies of themselves.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).