First piece using the blender program. (compound polyhedrons)
No 2. Three octahedrons.
NO 3. Octahedron/cube (dual polyhedra)
No 4. Three octahedrons with cube
No 5. Star-tetrahedron
No 6. Icosa/dodecahedron (dual polyhedra)
no 7 .Stelated dodecahedron