Octagonal prism

Template:Short description Template:Prism even polyhedron stat table In geometry, the octagonal prism is a prism comprising eight rectangular sides joining two regular octagon caps.

Symmetry

Name	Ditetragonal prism	Ditetragonal trapezoprism
Image	File:Truncated square prism.png	File:Cantic snub octagonal hosohedron.png
Symmetry	D4h, [2,4], (*422)	D4d, [2+,8], (2*4)
Construction	tr{4,2} or t{4}×{}, Template:CDD	s2{2,8}, Template:CDD

Images

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

File:Spherical octagonal prism.svg

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 Template:CDD	Omnitruncated cubic honeycomb Template:CDD	Runcitruncated cubic honeycomb Template:CDD
File:Truncated square prismatic honeycomb.png	File:Omnitruncated cubic honeycomb.jpg	File:Runcitruncated cubic honeycomb.jpg

It is also an element of two four-dimensional uniform 4-polytopes:

Runcitruncated tesseract Template:CDD	Omnitruncated tesseract Template:CDD
File:4-cube t013.svg	File:4-cube t0123.svg

External links

• Interactive model of an Octagonal Prism