All simple objects—sphere, checkerboard, cylinder, cone, cube (hexahedron), octahedron, tetrahedron, icosahedron, dodecahedron, and torus (toroid)—on a gray plane.
All simple objects—sphere, checkerboard, cylinder, cone, cube (hexahedron), octahedron, tetrahedron, icosahedron, dodecahedron, and torus (toroid)—on a gray plane.