A Factory on Your Kitchen Counter

In his State of the Union address last week, along with the standard calls for education reform and energy independence, President Obama gave a shout-out to a growing technology. In a lab in Youngstown, Ohio, the president said, “Workers are mastering the 3-D printing that has the potential to revolutionize the way we make almost anything.”

When Brook Drumm saw clips from the speech at his home outside Sacramento, Calif., he wanted to reach through his TV and give the president a fist bump. Mr. Drumm, a bald, goateed father of three, designed the Printrbot, a desktop 3-D printer kit. Like a number of other 3-D printers, it uses heated plastic — applied layer by layer to a heated bed by a glue-gun-like extruder — to turn designs created on a computer into real objects.

As Mr. Drumm illustrated in the Kickstarter campaign he used to raise more than $830,000 to start his business in late 2011, the Printrbot is small enough to fit on a kitchen counter, next to the Mr. Coffee. “The goal for the company,” Mr. Drumm said in world-beating tones, “is a printer in every home and every school.”

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