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3-D printing machine turns ideas into real items

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Posted at 7:37 PM, Oct 18, 2012
and last updated 2012-10-18 19:37:39-04

(CBS) - Imagine a copy machine that makes actual things, not just pictures of them. It's no longer something you might read about or see in movies.

The real-life practice is called 3-D printing, but like most technologies, it can be used in positive and negative ways.

Click the video player above to see how.