Korean design firm Everyware has made a robotic arm  from wood that is computer programmable to create beautiful 3D light paintings. Below is the company's intro about this impressive tiny robot:

New Product: LED-3000 Ring Light for use with Binocular and Trinocular microscope systems. Product Description: Luxo’s new LED-3000 Ring Light combines energy-efficient LEDs, exceptional lumen maintenance, built-in dimming controls and a removable/replaceable diffuser cover, all at an incomparable value.

Luxo Corp. has developed a dimmable high-output LED ring light. It not only can maximize light output and distribution, but can prevente harmful glare and reflections, the company says this ring light can be used for a wide variety of inspection, assembly, and rework applications. Its pure-white LED light makes it well-suited for inspecting circuit boards, surface cracks and defects, welds, solder joints, flux residues, and hairline stress cracks.