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From Austria, the World's Smallest 3D Printer
fangmcgee writes "Printers which can produce three-dimensional objects have been available for years. However, at the Vienna University of Technology, a printing device has now been developed which is much smaller, lighter and cheaper than ordinary 3D-printers. With this kind of printer, everyone could produce small, tailor-made 3D-objects at home, using building plans from the internet — and this could save money for expensive custom-built spare parts."
It's small, but probably not as cheap as a Rep Rap which is a fully open-source implementation of a 3D printer that's been around for a few years. They've developed the first iteration into the 'Mendel' which has addrssed some of the issues they came across in initial development.