One of the 9 Best Ideas from CES 2015 - Fast Company
"Another big limitation in 3-D printing is that, if you want to create an electronic device of any sort, you usually have to print the body in pieces, which will jigsaw together and sandwich themselves around the functional components.
But at CES, a printer called Voxel8 demonstrated that it could print the plastic body and metal circuitry of a drone, all at once, with the wires actually printed inside the plastic. Voxel8 teases a near future in which they can print custom hearing aids to order. They also teamed with Autodesk to create an accessible looking modeling program called Project Wire for designers who’d like to try their own hand at printing electronics. "