Category Nuances matching polyhedron:

• simple,
• convex,
• regular,
• complicated,
• basic,
• useful,
• symmetric,
• hollow,

Members for simple category polyhedron:

• prism,
• truncated_icosahedron,
• tetrahedron,
• cube,
• regular_hexahedron,
• regular_tetrahedron,
• platonic_solid,
• regular_icosahedron,
• rectangular_hexahedron,
• dodecahedron,
• cuboid,
• octahedron,
• icosahedron,
• pentahedron,
• hexahedron,
• regular_dodecahedron,
• regular_octahedron,
• rhombic_dodecahedron,
• decahedron,
• cylinder,