Velo3D's defense contracts with the U.S. Army and RTX Corp RTX, formerly Raytheon Technologies, may be grabbing headlines, but the bigger growth story could be unfolding in orbit. SpaceX is already a customer, and that relationship shows how the company's metal 3D printing platform can scale far beyond defense.Track RTX stock here.From Machines To A "Digital Foundry"Velo3D doesn't see itself as a machine seller — it sees itself as the AWS (Amazon Web Services) of manufacturing. "Customers don't just need ma ...