Classic model of a light bulb.

One mesh with a multisub-object materials containing four materials but three active. To switch the light, you have only to swap the materials ON and OFF in the material editor.

Made in its real side, metric in centimenters.

Software : 3Dsmax 2015.
Renderer : VRay.

/!\ The scene contains only the object I sell. Not the studio with vray light and camera.