An octagonal dihedron is a 3-D polyhedron with two octagonal faces which share their edges and vertices. In normal Euclidean space, it is degenerate, but can exist as a tiling of the sphere where each face makes up a hemisphere.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/KLPTNXTvyyzGHkORTSldrw== | 5.88129e-14 |