Gyroelongated square bipyramid
| Gyroelongated square bipyramid | |
|---|---|
 | |
| Type | Johnson J16 - J17 - J18 |
| Faces | 16 triangles |
| Edges | 24 |
| Vertices | 10 |
| Vertex configuration | 2 of 34 8 of 35 |
| Symmetry group | D4d |
| Dual polyhedron | Square truncated trapezohedron |
| Properties | convex, deltahedron |
In geometry, the gyroelongated square dipyramid is one of the Johnson solids (J17). As the name suggests, it can be constructed by gyroelongating an octahedron by inserting a square antiprism between its congruent halves. It is a deltahedron.
The 92 Johnson solids were named and described by Norman Johnson in 1966.
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