A mathematician's sweet dream: For about $10,000, you can print out rainbow sugar dodecahedrons and interlocking cubes. 3D Systems hide caption

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A simulated patient at the University of Malaya makes use of different materials to mimic the look and feel of human tissue. /Courtesy of Vicknes Waran hide caption

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Cosmo Wenman generated this 3-D model of the Ares Borghese, based on hundreds of photos, from the Basel Sculpture Hall. Wenman publishes the scans online, so that anyone can use them to 3-D print a replica of the masterpiece. Courtesy of Cosmo Wenman hide caption

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Toronto-based 3-D jewelry company Hot Pop Factory created personalized Pez dispenser heads for the employees of an architecture firm. Hot Pop Factory hide caption

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