This specific 3D model, "10 carved frames set 3D Model Pack 3", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
STL (Stereolithography, filesize: 776 MB), OBJ (OBJ, filesize: 1.23 GB), FBX (Autodesk FBX, filesize: 435 MB), MAX (Autodesk 3ds Max, filesize: 1.16 GB), MA (Autodesk Maya, filesize: 419 MB), 3DS (3D Studio, filesize: 15.4 MB)