This specific 3D model, "Wooden Fence Low-poly 3D model 4", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
The licensing terms for this digital asset are governed by "Unknown license".
STL (Stereolithography, filesize: 287 KB), OBJ (OBJ, filesize: 288 KB), DAE (Collada, filesize: 287 KB), C4D (Cinema 4D, filesize: 537 KB), 3DS (3D Studio, filesize: 287 KB), OTHER (Other, filesize: 574 KB), FBX (Autodesk FBX, filesize: 580 KB), DXF (DXF, filesize: 287 KB)