Although there was briefly a company called Rotary Rocket ... why not print a model? That’s what [Engineering Explained] did. They printed a 1/3 scale model and made a video explaining and ...

Their specific objective was to 3D print aluminum components for the RL10 liquid rocket engine produced by Aerojet Rocketdyne ...

He began by designing a small-scale model, complete with servo-controlled ... The wings are completely 3D printed, with integrated hinges for flight control surfaces slots for wiring and control ...