You might have read from a science fiction novel, magazine and must have seen in films like Cloverfield Paradox that 3-dimensional printing of objects has unfathomable applications in space explorations and other scientific endeavors; however, a recent study has shown that 3D printing has found itself a practical application in the manufacturing industry in keeping a very useful material called Tungsten brittle and crack-free.
Source: https://blanchektechnologyhub.wordpress.com/2021/05/31/3d-printing-has-applications-in-processing-brittle-and-crack-free-tungsten/