Heptagonal trapezohedron

The heptagonal trapezohedron or deltohedron is the fifth in an infinite series of face-uniform (isohedral) polyhedra which are dual polyhedron to the antiprisms. It has 14 faces which are congruent kites.

Heptagonal trapezohedron
Typetrapezohedron
ConwaydA7
Coxeter diagram
Faces14 kites
Edges28
Vertices16
Face configurationV7.3.3.3
Symmetry groupD7d, [2+,14], (2*7), order 28
Rotation groupD7, [2,7]+, (227), order 14
Dual polyhedronheptagonal antiprism
Propertiesconvex, face-transitive

See also

Family of n-gonal trapezohedra
Polyhedron image ... Apeirogonal trapezohedron
Spherical tiling image Plane tiling image
Face configuration Vn.3.3.3 V2.3.3.3 V3.3.3.3 V4.3.3.3 V5.3.3.3 V6.3.3.3 V7.3.3.3 V8.3.3.3 V10.3.3.3 V12.3.3.3 ... V.3.3.3
  • Weisstein, Eric W. "Trapezohedron". MathWorld.
  • Virtual Reality Polyhedra The Encyclopedia of Polyhedra
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