20 Rhombic Polyhedrons with 12 planes

20 Rhombic Polyhedrons with 6 planes

Compound of five tetrahedra inside dodecahedron

Intersection of the 5 tetrahedrons inside dodecahedron

5 Platonic solids

5 Cubes inside Regular Dodecahedron

intersection of the 5 Cubes inside Regular Dodecahedron

5 Regular Octahedrons inside Regular Dodecahedron

intersection of the 5 Regular Octahedrons inside Regular Dodecahedron

Regular Octahedron inside Cube

regular dodecahedron contained in the smallest cube by scaling