Octagrammic crossed-antiprism

From Wikipedia, the free encyclopedia
Octagrammic crossed-antiprism
Antiprism 8-5.png
TypeUniform polyhedron
Faces2 {8/3}
16 {3}
Edges32
Vertices16
Vertex configuration8/5.3.3.3
Wythoff symbol|2 2 8/5
Schläfli symbols{2,16/5}
Coxeter diagramCDel node h.pngCDel 2x.pngCDel node h.pngCDel 16.pngCDel rat.pngCDel 5.pngCDel node.png
Symmetry groupD8d, [2+,16],(2*8), order 32
Dual polyhedronOctagrammic concave deltohedron
Propertiesnonconvex
Vertex figure
Octagrammic antiprism-5-8 vertfig.png

In geometry, the octagrammic crossed-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.

See also[]

External links[]

  • Weisstein, Eric W. "Antiprism". MathWorld.
  • Paper models of prisms and antiprisms


Retrieved from ""