This specific 3D model, "Control Valve Low-poly 3D model purchase", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
Native Formats: MA (Autodesk Maya, filesize: 9.72 MB)
Exchange Formats: OBJ (OBJ, filesize: 4.5 MB), FBX (Autodesk FBX, filesize: 776 KB), MA (Autodesk Maya, filesize: 9.72 MB), JPG (JPG, filesize: 2.19 MB), MEL (Maya Mel Script, filesize: 1.57 MB), OTHER (Other, filesize: 2.42 MB), FBM (fbm, filesize: 641 KB)