LIGHTWEIGHT PANTHER RING 3D print model

1) .Stl and .obj files are attched herewith with ring size 18,20,22,24. Any other size available on request. 2) The total polygon count of mesh is 0.250 million. 3) Volume of the closed solid is approx 524 mm3. Please refer photo reference for weight details of sizes. 4) Meshes are 3d printable and castable. 5) Negative/Void Spaces on ring are for enameling. 6) Stone sizes are as per the reference photo. 7) Need any help , ready for modification