nly stl file and ring size USA 7 and free downloads
Native Formats: 3DM (Rhinoceros 3D, filesize: 45.8 MB)
Exchange Formats: OBJ (OBJ, filesize: 95.2 MB), FBX (Autodesk FBX, filesize: 43.2 MB), STL (Stereolithography, filesize: 39.2 MB), JPG (JPG, filesize: 38.9 MB)