This specific 3D model, "family ring 3D print model order", is an asset made available 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: 169 MB), OBJ (OBJ, filesize: 116 MB), 3DM (Rhinoceros 3D, filesize: 86.3 MB), 3DS (3D Studio, filesize: 54.6 MB), DXF (DXF, filesize: 112 MB), FBX (Autodesk FBX, filesize: 84.5 MB), ZTL (Zbrush, filesize: 37.1 MB)