If you mean the regular polyhedra, they are:
tetrahedron, cube (or hexahedron), octahedron, dodecahedron,
icosahedron, (Plato's 50) plus: small stellated dodecahedron, great
stellated dodecahedron, great dodecahedron, great icosahedron for
9. Maybe a sphere is a perfect curved 3D figure.