Five Intersecting Tetrahedra - modular 3D Model almost 2 years 42 Reuleaux Tetrahedron 3D Model over 1 year 17 Another polyhedra construction set 20 mm 3D Model almost 2 years 9 Cube to 6 Tetrahedra 3D Model almost 2 years 1 Tetrahedron (3 sided Pyramid) 3D Model almost 2 years 1 Object of Constant Width - Tetrahedron 3D Model almost 2 years 2 OpenSCAD: infinite volumes desired 3D Model almost 2 years 1 Platonic Solids for OpenScad - v0.5 3D Model almost 2 years 16