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3-D printing could remake U.S. manufacturing

About 20 miles east of Pittsburgh, the former heart of the nation’s steel industry, a small company called ExOne is churning out a new generation of stainless steel boat propellers, oil pump parts and door knobs.

But there are no clanging hammers, wheezing presses or even computer-controlled milling machines.

Instead, a dozen 3-D printers quietly stitch together industrial parts by meticulously spreading hundreds or thousands of layers of powdered metal onto a canvas until they form three-dimensional shapes.

By Paul Davidson, USA TODAY

Full Story: http://www.usatoday.com/money/industries/manufacturing/story/2012-07-10/digital-manufacturing/56135298/1

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Missoula, Montana based REPLIK8TR MakerSpace Opens Doors to Science Teachers and Invites Classes to Visit http://www.matr.net/article-50869.html

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