Rocket Engine Injector Manufactured With 3-D Printing MachineMaterials engineers made this one-piece rocket engine injector in just 40 hours in a sophisticated 3-D printing machine at the Marshall Center.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/rocket-engine-injector-manufactured-with-3-d-printing-machine/Copy URL to clipboard> DownloadShareSize1041x385px