Bre Pettis, chief executive of US company MakerBot
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MakerBot anticipates 3D printer launches at CES

Bre Pettis, chief executive of US company MakerBot, talks to the BBC's Rory Cellan-Jones about the rise and rise of 3D printing.

He previews his firm's announcements at the 2014 Consumer Electronics Show in Las Vegas and promises a "pivotal change" in 3D printing technology.

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