This is a 3D printed ring model. Stone parameters are shown in the picture. Exported file with extension (.3dm). If you have any problem, please contact me. Thanks.
If you need to change the size or anything message me for help.
Native Formats: 3DM (Rhinoceros 3D, filesize: 5.19 MB)
Exchange Formats: STL (Stereolithography, filesize: 1.66 MB)