Hexagonal trapezohedron

In geometry, a hexagonal trapezohedron or deltohedron is the fourth in an infinite series of trapezohedra which are dual polyhedra to the antiprisms. It has twelve faces which are congruent kites. It can be described by the Conway notation dA6.

Hexagonal trapezohedron
Typetrapezohedron
Faces12 kites
Edges24
Vertices14
Vertex configurationV6.3.3.3
Coxeter diagram
Symmetry groupD6d, [2+,12], (2*6), order 24
Rotation groupD6, [2,6]+, (66), order 12
Dual polyhedronhexagonal antiprism
Propertiesconvex, face-transitive

It is an isohedral (face-transitive) figure, meaning that all its faces are the same. More specifically, all faces are not merely congruent but also transitive, i.e. lie within the same symmetry orbit. Convex isohedral polyhedra are the shapes that will make fair dice.

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