Square bifrustum

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Square bifrustum
Square bifrustum
Type Bifrustum
Faces 8 trapezoids, 2 squares
Edges 20
Vertices 12
Symmetry group D4h
Dual polyhedron elongated square bipyramid
Properties convex

The square bifrustum or square truncated bipyramid is the second in an infinite series of bifrustum polyhedra. It has 4 trapezoidal and 2 square faces.

This polyhedron can be constructed by taking a square bipyramid (octahedron) and truncating the polar axis vertices, making it into two end-to-end frustums.

It is dual to the elongated square dipyramid.