You mean - I believe - a (mechanical) engineer working in aerospace industry, a flight engineer does other things: https://en.wikipedia.org/wiki/Flight_enginee

You mean - I believe - a (mechanical) engineer working in aerospace industry, a flight engineer does other things: https://en.wikipedia.org/wiki/Flight_engineer https://en.wikipedia.org/wiki/Flight_engineer And yes, there is some use for such printers, but given their cost (and the cost per piece manufactured) they are limited to other very narrow and "rich" fields like aerospace.