1) .Stl and .obj files are attched herewith. 2) The Rings are solid and suitable for investment casting. 3) The total polygon count of mesh is 0.1 million . 4) Volume of the closed solids = approx 1011 mm3 for the pair. 5) Mesh is 3d printable and castable and diamonds are of 1.5 mm. 6) The Current sizes of the ring are : 16.80 mm for diamond ring and 19.60 mm for ring without diamonds. 7) Need any help , ready for modification.