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 dodecicosododecahedron, using its 12 decagrams along with the 20 hexagons of the great icosicosidodecahedron.