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Boing Boing has a post on the rapidly evolving 3D printing market - 3DS sues innovative new 3D printer company Formlabs & Kickstarter for patent infringement.

3D Systems, one of the big, incumbent 3D printer makers, is suing Formlabs, an innovative new 3D printer company that prints in resin (see previous mentions), for patent infringement. Theyve also named Kickstarter to the suit.

Many of the key patents in 3D printing start expiring in 2013, and will continue to lapse through 14 and 15. Expect a big bang of 3D printer innovation, and massive price-drops, in the years to come.