In geometry, the rhombic triacontahedron is a convex polyhedron with 30 rhombic faces. It is an Archimedean dual solid, or a Catalan solid. It is the polyhedral dual of the icosidodecahedron, and it is a zonohedron.The ratio of the long diagonal to the short diagonal of each face is exactly equal to the golden ratio,
This is made parametric using surfacing driven only from one dimension,