This specific 3D model, "Pack jewelry ring 3D print model purchase", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
STL (Stereolithography, filesize: 130 MB), OBJ (OBJ, filesize: 66.2 MB), 3DM (Rhinoceros 3D, filesize: 191 MB)