3D-Printed Rocket Engines Revolutionize Space Launch Industry The space industry is witnessing a technological leap forward with the growing adoption of 3D-printed rocket engines , a trend that promises to reshape the economics and speed of satellite launches. Once considered experimental, additive manufacturing—commonly known as 3D printing—has rapidly advanced to become a core method for producing high-performance components for space propulsion systems. Companies such as Rocket Lab , Relativity Space , Ursa Major , and ArianeGroup are now using 3D printing to develop entire engines or critical components, reducing production timelines from months to mere weeks. Efficiency and Innovation Unlike traditional machining, 3D printing allows for complex geometries, fewer parts, and lighter weight designs—all of which are critical in rocket engineering. More importantly, it dramatically cuts down lead times and material waste. Relativity Space’s Terran 1 rocket, launched earlier this ...