2 ms·The triakis tetrahedron fit really is crazy close: https://youtu.be/jDTPBdxmxKw https://youtu.be/jDTPBdxmxKwby fuglede_ 1y agoThe triakis tetrahedron fit really is crazy close: https://youtu.be/jDTPBdxmxKw https://youtu.be/jDTPBdxmxKwdheera 1y agoI don't understand why this is "hard". Doesn't a donut have this coveted property? I can't think of a way to drill a hole in a donut that would allow a donut through.boothby 1y agoA donut is nonconvex. The title leaves that very crucial word out.deleted 1y ago[deleted]