Used Fusion360 to determine the angles needed to modify Bob_East's SCAD file to produce connectors for other polyhedrons. I've included: Tetrahedron (4 faces), Hexahedron (Cube - 6 faces), Tetratetrahedron (regular octahedron - 8 faces), Dodecahedron (12 faces) and a copy of Bob_East's Icosahedron …