This is the fourth of the six-part "SA 100 Insider" series, looking at the passions, hobbies, and pursuits of Silicon Alley's tech elite. "
Kevin Smith/Business Insider
Bre Pettis, founder at MakerBot
Over the summer, 3D printing company Stratasys acquired MakerBot, the hot 3D printing
"We're so proud to be doing this in Brooklyn," MakerBot CEO Bre Pettis said in June. "I don't think we could've done this any other place."
In Brooklyn's DUMBO area, there is a growing community of tech startups. The area, which stands for Down Under the Manhattan Bridge Overpass, is home to more than 500 tech companies.