Hexagonal-enneagonal duoprismatic prism

The hexagonal-enneagonal duoprismatic prism or haep, also known as the hexagonal-enneagonal prismatic duoprism, is a convex uniform duoprism that consists of 2 hexagonal-enneagonal duoprisms, 6 square-enneagonal duoprisms and 9 square-hexagonal duoprisms.