A switchboard modeling based on real commercial product. If you use Maya and V-ray, you can use my render setup.
OBJ (OBJ, filesize: 61.9 MB), FBX (Autodesk FBX, filesize: 99.7 MB), MA (Autodesk Maya, filesize: 37.5 MB), MAX (Autodesk 3ds Max, filesize: 86.8 MB)