Tetrahedron Building Blocks #3DThursday #3DPrinting

Shared by gibell on Thingiverse:A seven piece puzzle which assembles into three sizes of tetrahedron. The basic piece is made from five rhombic dodecahedra, and comes in two mirror image versions (orange and yellow in the photos). This piece is the “tetrahedron building block” (TBB). Easy: take one orange and...