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: The new British one pound (£1) coin, which entered circulation in March 2017, is shaped like a dodecagonal prism. Related polyhedra References External links Prismatoid polyhedra Zonohedra