The video description leads to his website and offers some more information:
This is an awesome folding dodecahedron and its complement. Together they > form a cube. Each is made of eight parts hinged together with white > adhesive tape. To get a sense of it, see the video Inside-Out Logic on my > YouTube channel <http://www.youtube.com/channel/UCTl0dASnxto6j2wlVs5Bs2Q>. > The stl files are here <http://georgehart.com/rp/T-O-M/dodec-octant.stl>and > here <http://georgehart.com/rp/T-O-M/dodec-complement-octant.stl>. You > need to make four copies of each file and also four copies of the mirror > image of each file. From the video, you can figure out how they get > assembled. > Thanks, Scott! Would love to see a paperfolded version of this. michael http://havepaperwilltravel.blogspot.com/
