Parabiaugmented hexagonal prism

In geometry, the parabiaugmented hexagonal prism is one of the Johnson solids ($J54 – J55 – J56$). As the name suggests, it can be constructed by doubly augmenting a hexagonal prism by attaching square pyramids ($D2h$) to two of its nonadjacent, parallel (opposite) equatorial faces. Attaching the pyramids to nonadjacent, nonparallel equatorial faces yields a metabiaugmented hexagonal prism ($4(42.6) 2(34) 8(32.4.6)$). (The solid obtained by attaching pyramids to adjacent equatorial faces is not convex, and thus not a Johnson solid.)