{{Short description|12-sided box}} {{More footnotes needed|date=August 2025}} {{Prism polyhedra db|Prism even polyhedron stat table|P12}} thumb|3D model of a uniform dodecagonal prism In geometry, the '''dodecagonal prism''' is the tenth in an infinite set of prisms, formed by square sides and two regular dodecagon caps.

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

== Use ==

It is used in the construction of two prismatic uniform honeycombs: {| class=wikitable width=300 |150px<BR>Omnitruncated triangular-hexagonal prismatic honeycomb<BR>{{CDD||node_1|6|node_1|3|node_1|2|node_1|infin|node}} |150px<BR>Truncated hexagonal prismatic honeycomb<BR>{{CDD|node_1|6|node_1|3|node|2|node_1|infin|node}} |} The new British one pound (£1) coin, which entered circulation in March 2017, is shaped like a dodecagonal prism.<ref>{{Cite news|url=https://www.bbc.co.uk/news/uk-38480180|title=New 12-sided pound coin to enter circulation in March|date=2017-01-01|work=BBC News|access-date=2017-04-20|language=en-GB}}</ref>

== Related polyhedra == {{UniformPrisms}}

==References== {{Reflist}}

==External links== * {{mathworld | urlname = Prism | title = Prism}}

Category:Prismatoid polyhedra Category:Zonohedra

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