Octagrammic antiprism

Octagrammic antiprism
Octagrammic antiprism
Antiprism 8-3.png
Type Uniform polyhedron
Faces 2 Octagrams
16 triangles
Edges 32
Vertices 16
Vertex configuration 8/3.3.3.3
Wythoff symbol |2 2 8/3
Symmetry group D8d
Dual polyhedron Octagrammic deltohedron
Properties nonconvex
Vertex figure
Octagrammic antiprism-3-8 vertfig.png

In geometry, the octagrammic antiprism is one in an infinite set of nonconvex antiprisms formed by triangle sides and two regular star polygon caps, in this case two octagrams.


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