3D printing a lamp for your home is a brilliant and easy use of the technology, with different designs to suit anyone's tastes. If you want something simple, stick to 3D printing a lamp shade. On the other hand, if you want something more complex, try printing a large LED bridge light.
STL (Stereolithography, filesize: 356 KB), OBJ (OBJ, filesize: 1.06 KB), FBX (Autodesk FBX, filesize: 431 KB), ABC (Alembic, filesize: 215 KB), DAE (Collada, filesize: 870 KB)