decagrammic prism

{{Short description|Polyhedron with 12 faces}}

{{Infobox polyhedron

|image=Prism 10-3.png

|type=Uniform polyhedron

|faces=2 Decagrams
10 squares

|edges=30

|vertices=20

|wythoff=2 10/3 | 2

|symmetry=D10h, [2,10],(*2.10.10), order 40

|vertex_config=10/3.4.4

|dual=Decagrammic bipyramid

|properties=nonconvex

|vertex_figure=Decagrammic prism-3-10 vertfig.png

}}

File:Decagrammic prism.stl

In geometry, the decagrammic prism is one of an infinite set of nonconvex prisms formed by squares sides and two regular star polygon caps, in this case two decagrams.

It has 12 faces (10 squares and 2 decagrams), 30 edges, and 20 vertices.

{{Polyhedron-stub}}

Category:Prismatoid polyhedra