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With plans to 3-D print 45,000 fuel nozzles a year for its upcoming Leap jet engine, General Electric’s  ambitions for the printing technology have been received with much fanfare. After all, the manufacturing giant is pioneering the use of 3-D metal printing for highly complicated, mission-critical manufacturing applications, and it’s proving to the world that 3-D printing could be a game-changing technology for such specialized applications. General Electric has undoubtedly become the 800-pound gorilla in the room of the 3-D printing industry, which only generated about $3 billion in revenue last year. And because GE’s 3-D printing plans are so monstrous for such a small industry, the company can exert its influence over 3-D printing companies and play by its own rules.

Read more at:  http://www.fool.com/investing/general/2014/06/30/what-3-d-printing-companies-dont-want-you-to-know.aspx