Regular icosahedron inside Regular Octahedron inside Regular Tetrahedron inside Cube inside Regular Dodecahedron

./Regular%20icosahedron%20inside%20Regular%20Octahedron%20inside%20Regular%20Tetrahedron%20inside%20Cube%20inside%20Regular%20Dodecahedron_html.png
Download Cabri 3D Plugin.

HTML export by Cabri 3D