Twist Rhombic Dodecahedron Megastructure

Lots of nested TRDs. SketchUp's Section Plane tool proved very helpful in finding errant interior geometry. Were there but a way in SketchUp to automate the finding and removal of interior faces and vertices!

More on how I made the print into a light sculpture here: https://plus.google.com/100359942295102553261/posts/hxKRGbCbemW