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Additive manufacturing is huge for complex shapes like turbine blades and fuel pintles in aerospace.
Laser and electron beam sintering has been around for a long while.
GE recently purchased an Italian company and has scaled up the 'stage' of their previous equipment 50X.
There was a recent press release about their using it for powerplant turbines.
That's neat. We are witnessing a huge change in manufacturing, and that is going to open up so many possibilities for creative people to seize. Gonna be fun.