A switchboard modeling based on real commercial product. If you use Maya and V-ray, you can use my render setup.
OBJ (OBJ, filesize: 35.3 MB), MA (Autodesk Maya, filesize: 13.5 MB), MAX (Autodesk 3ds Max, filesize: 43.7 MB), FBX (Autodesk FBX, filesize: 47.4 MB)