Octagrammic antiprism

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Octagrammic antiprism
Antiprism 8-3.png
Type Uniform polyhedron
Faces 2 {8/3}
16 {3}
Edges 32
Vertices 16
Vertex configuration 8/3.3.3.3
Wythoff symbol |2 2 8/3
Schläfli symbol s{2,16/3}
Coxeter diagram CDel node h.pngCDel 2x.pngCDel node h.pngCDel 16.pngCDel rat.pngCDel 3x.pngCDel node.png
Symmetry group D8d, [2+,16], (2*8), order 32
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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