Rocketry is wild, and [Foaly] is sharing build and design details of the Cortex 2 mini rocket which is entirely 3D printed ... led to reducing the number of fins from four to three.

This arrangement leads to a few complicated welding and machining processes, but surprisingly these obstacles can be overcome by simply printing a rocket engine on a 3D printer. The current engine ...

So you probably shouldn’t be surprised to learn that 3D printing is also making waves in rocket science. NASA has developed a revolutionary new rocket engine that’s 20-30% more efficient than ...