Manufacture

This page will most likely feature a list of 3D printer technologies, and to start it off, the one who deserves front row in this, and the one most likely to be a part of the everyday Havenite life, is the RepRap - as it is free and open source, easily adjustable and updateable. "Free" is, of course, never really true, as you would most likely have to pay for the material (which is around 500 dollars, if I understand it correctly), but that is still way below many of the commercial ones.

This is the link to the RepRap technology