Gyrobifastigium
| Gyrobifastigium | |
|---|---|
| Type | Johnson J25 – J26 – J27 |
| Faces | 4 triangles 4 squares |
| Edges | 14 |
| Vertices | 8 |
| Vertex configuration | 4(3.42) 4(3.4.3.4) |
| Symmetry group | D2d |
| Properties | convex, honeycomb |
| Net | |
In geometry, the gyrobifastigium is a polyhedron that is constructed by attaching a triangular prism to square face of another one. It is an example of a Johnson solid. It is the only Johnson solid that can tile three-dimensional space.