This specific 3D model, "Light bulb 3D model 23", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
BLEND (Blender, filesize: 698 KB), OBJ (OBJ, filesize: 2.74 MB), FBX (Autodesk FBX, filesize: 913 KB), DAE (Collada, filesize: 108 KB), 3DS (3D Studio, filesize: 860 KB), OTHER (Other, filesize: 1.33 MB), STL (Stereolithography, filesize: 2.61 MB), ABC (Alembic, filesize: 932 KB)