 Octagonal Prism
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Octagonal Prism
Uniform octagonal prism Type Prismatic uniform polyhedron
Elements F = 10, E = 24, V = 16 (? = 2)
Faces by sides 8{4}+2{8}
Schläfli symbol t{2,8} or {8}×{}
Wythoff symbol 2 8 | 2
2 2 4 |
Coxeter diagrams                    Symmetry D8h, [8,2], (*822), order 32
Rotation group D8, [8,2]+, (822), order 16
References U76(f)
Dual Octagonal dipyramid
Properties convex, zonohedron Vertex figure
4.4.8

In geometry, the octagonal prism is the sixth in an infinite set of prisms, formed by square sides and two regular octagon caps.

If faces are all regular, it is a semiregular polyhedron.

## Symmetry

Name Image Ditetragonal prism Ditetragonal trapezoprism  D4h, [2,4], (*422) D4d, [2+,8], (2*4) tr{4,2} or t{4}×{},     s2{2,8},     ## Images

The octagonal prism can also be seen as a tiling on a sphere: ## Use

In optics, octagonal prisms are used to generate flicker-free images in movie projectors.

## In uniform honeycombs and 4-polytopes

It is an element of three uniform honeycombs:

 Truncated square prismatic honeycomb         Omnitruncated cubic honeycomb       Runcitruncated cubic honeycomb          It is also an element of two four-dimensional uniform 4-polytopes:

 Runcitruncated tesseract       Omnitruncated tesseract         