This is a 3d-model of the "Wedding Ring 3D print model 85" by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 43.7 MB), 3DM (Rhinoceros 3D, filesize: 61.3 MB)