<http://schema.org/about>
"3D printing is becoming more and more approachable for the average Maker, and with that accessibility comes really cool projects like being able to print your own electronics which is cheaper and greener."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/gadgets/how-to-make-3d-printed-circuit-boards-and-an-led-flashlight/>