You Can Make a Rocket Engine's Entire Combustion Chamber in One 3D Print

A rocket startup called Launcher has made the largest liquid-fuel combustion chamber ever 3D printed in a single piece, requiring a custom-made 3D printing setup. The chamber is part of Launcher’s all-3D-printed rocket engine, designed to lower cost barriers for launching private small satellites into low Earth orbit.
Read more: https://www.popularmechanics.com/space/rockets/a29833666/3d-print-rocket-engine-combustion-chamber/?source=Snapzu