The file 'Reciprocal Reuleaux Triangle For FDM 3D Printer Model' is (scad,stl) file type, size is 27.0KB.
This is a square solid inside a triangular hole within a triangular solid inside a square hole.
The predecessor to this design featured a triangle inside a square hole within another triangle inside a square hole. It sounded nice but the square hole broke up the symmetry of the triangle, plus it didn't exploit the reciprocal capability of a reuleaux triangle to contain a square inside a triangular hole.
reciprocal_reuleaux.scad | 2.4KB | |
rectified_reuleax.stl | 380.9KB |