3-D printing goes from sci-fi fantasy to reality

June 2, 2013 • Business

In this photo taken Wednesday, May 15, 2013 Wayne Losey, co-founder of Dynamo DevLabs, speaks about 3D printing during the Hardware Innovation Workshop in San Mateo, Calif. With the printers users make whatever they like, iPad stands, guitars, jewelry, someone even made a rifle. About the size of a microwave oven, the printers usually extrude plastic, layer upon layer, to create objects. Sales are projected to jump from about $1.7 billion in 2011 to $3.7 billion in 2015. (AP Photo/Eric Risberg)

SAN MATEO, Calif. (AP) — Invisalign, a San Jose company, uses 3-D printing to make each mouthful of customized, transparent braces. Mackenzies Chocolates, a confectioner in Santa Cruz, uses a 3-D printer to pump out chocolate molds. And earlier this year, Cornell University researchers used a 3-D printer, along with injections of a special collagen gel, to create a human-shaped ear.

Once a science-fiction fantasy, three-dimensional printers are popping up everywhere from the desks of home hobbyists to Air Force drone research centers. The machines, generally the size of a microwave oven and costing $400 to more than $500,000, extrude layer upon layer of plastics or other materials, including metal, to create 3-D objects with moving parts.

Users are able to make just about anything they like: iPad stands, guitars, jewelry, even guns. But experts warn this cool innovation could soon turn controversial — because of safety concerns but also the potential for the technology to alter economies that rely on manufacturing.

“We believe that 3-D printing is fundamentally changing the manufacturing ecosystem in its entirety — Login to read more

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