Here are some lighting designs under license to MGX by Materialise.  They are pioneers in 3D printed designer lighting, and doing a great job! 

Many retailers carry the lamps in the US and in Europe. 

Flame Pendant

Quin Sconce

Quin Pendant I haven't yet photographed my sample of this, but here are a couple of Maxwell renders:

At right, how they looked at the Salone del Mobile 2005 in Milan.   And below, some of the MGX pavilion (there was too much of it to get into one shot):

Although I couldn't be there, I'm proud to have contributed.