Rosotics unveiled a prototype March 24 of the Mantis, a metal 3D printing platform the company is marketing for aerospace applications. Pictured left to right: SeedScout founder Mat Sherman and Christian LaRosa, Rosotics co-founder and CEO. Credit: Rosotics

Rosotics developed a new type of 3D printer to reduce the cost and power required to manufacture rocket tanks, fairings and other large aerospace structures.

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Debra Werner is a correspondent for SpaceNews based in San Francisco. Debra earned a bachelor’s degree in communications from the University of California, Berkeley, and a master’s degree in Journalism from Northwestern University. She is a recipient...