- Octagonal bipyramid
Octagonal bipyramid Type bipyramid Faces 16 triangles Edges 24 Vertices 10 Face configuration V4.4.8 Symmetry group D8h, [8,2], (*228) Dual octagonal prism Properties convex, face-transitive
The octagonal bipyramid is one of the infinite set of bipyramids, dual to the infinite prisms. If an octagonal bipyramid is to be face-transitive, all faces must be isosceles triangles. However, there is a rather odd-looking version of the octagonal bipyramid with each of the faces congruent having a right scalene triangle as the shape of the faces.
- Weisstein, Eric W., "Dipyramid" from MathWorld.
- Olshevsky, George, Bipyramid at Glossary for Hyperspace.
- Virtual Reality Polyhedra The Encyclopedia of Polyhedra
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