The "Women Ring 3D print model 48" 3D asset is currently listed under the authorship of "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
JCAD (JewelCAD, filesize: 266 KB), 3DM (Rhinoceros 3D, filesize: 29.6 MB)