Great dodecicosahedron

The great dodecicosahedron, or giddy, is a uniform polyhedron. It consists of 20 hexagons and 12 decagrams. Two hexagons and two decagrams meet at each vertex..

It is a faceting of the great ditrigonal dodecicosidodecahedron, using its 12 decagrams along with the 20 hexagons of the great icosicosidodecahedron.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the great ditrigonal dodecicosidodecahedron.