This specific 3D model, "carved frame 3D model 94", 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: 67 MB), OBJ (OBJ, filesize: 117 MB), FBX (Autodesk FBX, filesize: 38.2 MB), 3DS (3D Studio, filesize: 64.3 MB)