The "Cushion Solitaire Art deco Ring 3D print model 2" 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: 21.3 MB), 3DM (Rhinoceros 3D, filesize: 11.9 MB)