30 Cube Compound, open, small

This is a compound of 30 cubes, with Icosahedral edge symmetry.  It belongs to the symmetry group 30 | A5 x I / C2 x I / μ, as described in H.F.Verheyen's "Symmetry Orbits", so it has 5-fold, 4-fold, 3-fold, and 2-fold symmetry. It's based on the model by Marcel Tunnissen. Angle μ = 31.7 degrees. This smaller wireframe model will print in brass, bronze, and silver, in addition to the plastics. The struts are 1mm square.