Pyramids, Dipyramids, and Trapezohedra

    Pyramids with equilateral triangles:

    • tetrahedron
    • square pyramid
    • pentagonal pyramid

    Dipyramids with equilateral triangles:

    • triangular dipyramid
    • octahedron
    • pentagonal dipyramid

    Dypyramids that are the dual to prisms (2nd line of each group):

    • triangular prism
    • triangular dipyramid
    • compound of triangular prism and dual

    • cube
    • octahedron
    • compound of cube and dual

    • pentagonal prism
    • pentagonal dipyramid
    • compound of pentagonal prism and dual

    • hexagonal prism
    • hexagonal dipyramid
    • compound of hexagonal prism and dual

    • heptagonal prism
    • heptagonal dipyramid
    • compound of heptagonal prism and dual

    • octagonal prism
    • octagonal dipyramid
    • compound of octagonal prism and dual

    • enneagonal prism
    • enneagonal dipyramid
    • compound of enneagonal prism and dual

    • decagonal prism
    • decagonal dipyramid
    • compound of decagonal prism and dual

    Trapezohedra, dual to antiprisms (2nd line of each group):

    • octahedron
    • cube
    • compound of octahedron and dual

    • square antiprism
    • square trapezohedron
    • compound of square antiprism and dual

    • pentagonal antiprism
    • pentagonal trapezohedron
    • compound of pentagonal antiprism and dual

    • hexagonal antiprism
    • hexagonal trapezohedron
    • compound of hexagonal antiprism and dual

    • heptagonal antiprism
    • heptagonal trapezohedron
    • compound of heptagonal antiprism and dual

    • octagonal antiprism
    • octagonal trapezohedron
    • compound of octagonal antiprism and dual

    • enneagonal antiprism
    • enneagonal trapezohedron
    • compound of enneagonal antiprism and dual

    • decagonal antiprism
    • decagonal trapezohedron
    • compound of decagonal antiprism and dual

    Virtual Polyhedra, (c) 1996,George W. Hart