Created and Rendered in GroBoto 2.1
A little bit of everything in the mix. Rig AutoBot provides the framework -- a few objects placed by hand and/or BuildBot -- local lights and a self-illuminated texture for the bulbs.
GroBoto Tools/Features: AutoBots, BuildBots, Layered Fog, Sky Gradient, Self-Illuminated Textures, Outline Mode Rendering, In-line Image Adjustments.