The "Wedding Ring 3D print model 276" 3D asset is currently listed under the authorship of "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 64.9 MB), 3DM (Rhinoceros 3D, filesize: 195 MB)