"Elon may be the planet's most exciting entrepreneur, " said SXSW Interactive director Hugh Forrest.

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Hugh Forrest cuts a tall figure in the halls of the Austin Convention Center during South by Southwest (SXSW).

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"I think we can safely say that if there is a 3-D printing revolution, he is the commander in chief, " said SXSW Interactive Director Hugh Forrest in introducing Pettis, MakerBot's CEO, on Friday.

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