3D Printing Example: radically new jet engine

I talked about 3D printing in class, about how the technology will move to exotic materials and eventually a build process similar to the ones used by semiconductor manufacturers.  This link is an example of what is being done today:  https://www.wired.com/2017/05/ge-turbofan-huge-jet-engine/?mbid=nl_52017_p1&CNDID=29643548