This specific 3D model, "Kitchen interior Free 3D model get", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
STL (Stereolithography, filesize: 223 KB), OBJ (OBJ, filesize: 244 KB), 3DS (3D Studio, filesize: 256 KB), DAE (Collada, filesize: 438 KB), FBX (Autodesk FBX, filesize: 431 KB), IGE (IGES, filesize: 299 Bytes), MAX (Autodesk 3ds Max, filesize: 410 KB), SKP (Sketchup, filesize: 495 KB), OTHER (Other, filesize: 109 KB)