Not that 3D printing will show up in your house anytime soon, but the folks at Mcor Technologies are making it a closer reality than ever before.   Their Matrix 3D printer uses regular old A4 paper to build, yes, 3D objects.  It works by gluing the pieces of paper together to form what looks like a relatively sturdy object.

Makes sense, since it’s probably far cheaper (cost per cubic centimeter is $0.0144)  than other 3D printers we’ve seen. But I’d wager a bet that they’re at the top of sone environmentalist’s ‘watch list’.

The Matrix 3D printer will be available in the US Q1 of 2009.  More info here

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