Does the World Need a 3D-Printed Rocket?

Relativity Space, a well-funded startup, is going all-in on additive manufacturing. But is that too much of a good thing?

Printed rocket pieces like this propellant tank cap are office decor at Relativity. Photos: Damon Cesarez

By Erin Winick

The once pristine white floors featured in PR photos are now scuffed and coated with the residue of a typical machine shop. Inside its…