by BBC
Printing solid objects is getting cheap and simpler, and the possibilities excite Bill Thompson. Imagine a school where a student could sketch out an idea for a new design of bicycle and not only draw it in 3D using a computer-aided design package but actually create a scale-model and test it out, using inexpensive materials and a special printer that they can build themselves in the classroom.
http://news.bbc.co.uk/2/hi/technology/10089419.stm
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