The file 'Tetrahedral Building Blocks 3D Printer Model' is (sldprt,stl,x3g,thing) file type, size is 1.2 MB.
Strong and light. Flat or double-sided. Enjoy!
base_triangle.SLDPRT |
base_triangle_full.STL |
flat_tetra.x3g |
full_tetra.thing |
full_tetra.x3g |
tri4.STL |