Atlanta Magazine InnovatorsOn a commercial scale, 3-D printers mean engineers can produce in-house prototypes, fine-tuning their products without the expense and delays of traditional manufacturing. “[It] has been an absolute catalyst for entrepreneurship,” says K.P. Reddy, senior advisor to Atlanta’s SoftWear Automation, which uses the technology to build robots that can sew clothing. “The big companies can’t move as nimbly. But between e-commerce and 3-D printing, you can design and launch a product in 60 days with very little capital—just a great idea of how to solve a problem.”