Great dodecahemidodecacron, a star polyhedron with 30 faces, 60 edges and 18 vertices is the dual of  the great dodecahemidodecahedron, a nonconvex uniform polyhedron that has 18 faces (12 pentagrams and 6 decagrams), 60 edges, and 30 vertices.
Great dodecahemidodecacron, a star polyhedron with 30 faces, 60 edges and 18 vertices is the dual of  the great dodecahemidodecahedron, a nonconvex uniform polyhedron that has 18 faces (12 pentagrams and 6 decagrams), 60 edges, and 30 vertices.