Personal 3-D Printer Sales Jump 35,000% Since 2007

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Sales of 3-D printers for personal use have exploded since 2007, mimicking the personal-computing revolution of the 1990s, as the market expands from industrial-grade systems costing as much as $1 million.

The CHART OF THE DAY shows sales of printers that create solid objects and cost less than $5,000 grew more than 35,000 percent to 23,265 in 2011 from 66 five years ago, according to a report from Wohlers Associates, Inc., a consulting firm in Fort Collins, Colorado. Sales of printers averaging $73,220 rose 31 percent, to 6,494 from 4,938.