What is 3D Printing in Space

3D printing technology has made significant progress over the decades since its inception, and is even hailed as one of the new technologies that change traditional mechanical processing methods in the era of Industry 4.0, attracting widespread attention from various countries. For the aerospace industry, 3D printing technology has a positive role in promoting new manufacturing methods for satellites and rockets, intelligent manufacturing, in-orbit resupply, deep space exploration, etc., which will greatly reduce the development cost of spacecraft, shorten the development process, and even potentially solve problems that existing technologies cannot solve, producing disruptive innovative results.