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Square Bifrustum
Square bifrustum
TypeBifrustum
Faces8 trapezoids, 2 squares
Edges20
Vertices12
Symmetry groupD4h
Dual polyhedronelongated square dipyramid
Propertiesconvex

The square bifrustum or square truncated bipyramid or Pentagonal Trapezohedron is the second in an infinite series of bifrustum polyhedra. It has 8 trapezoid and 2 square faces.

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

eo:Kvadrata dutrunko

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