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The Jetsons-esque technology of fabricating three-dimensional objects is finally available for the home workshop, and at a fraction of the cost of industrial machines. Create your design on a PC, press “print,” and voilà: You’ve got a new coffee cup—or just about any hard plastic object that will fit inside the 5x5x5-inch chamber. The 90-pound, microwave-size machine swaps the typical expensive printing materials for affordable nylon-based powder, which is hardened by a halogen lamp instead of a pricey laser and deposited in 0.01-inch layers onto a platform to build the final object. The printed parts can be painted, but future versions could print in color. $5,000; desktopfactory.com
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