Elongated square bipyramid
| Elongated square bipyramid | |
|---|---|
 | |
| Type | Johnson J14 - J15 - J16 |
| Faces | 8 triangles 4 squares |
| Edges | 20 |
| Vertices | 10 |
| Vertex configuration | 2 of 34 8 of 32.42 |
| Symmetry group | D4h |
| Dual polyhedron | Square bifrustum |
| Properties | convex |
In geometry, the elongated square dipyramid is one of the Johnson solids (J15). As the name suggests, it can be constructed by elongating an octahedron by inserting a square prism between its congruent halves.
The 92 Johnson solids were named and described by Norman Johnson in 1966.
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