http://tctechcrunch2011.files.wordpr...b-tc.jpg?w=680 Metal 3-D printers exist now, but they can be expensify to purchase. A new startup called MatterFab hopes to reduce the cost associated with metal 3-D printing, with a machine that houses a high-powered laser to basically weld metal together. Read Morehttp://feeds.feedburner.com/~ff/Tech...?d=2mJPEYqXBVI http://feeds.feedburner.com/~ff/Tech...?d=7Q72WNTAKBA http://feeds.feedburner.com/~ff/Tech...?d=yIl2AUoC8zA http://feeds.feedburner.com/~ff/Tech...yg:-BTjWOF_DHI http://feeds.feedburner.com/~ff/Tech...yg:D7DqB2pKExk http://feeds.feedburner.com/~ff/Tech...?d=qj6IDK7rITs
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