This page contains free "Diamond Ring 3D print model purchase", which is a work by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
3DM (Rhinoceros 3D, filesize: 18.8 MB), OBJ (OBJ, filesize: 208 MB), FBX (Autodesk FBX, filesize: 110 MB), STL (Stereolithography, filesize: 140 MB)