I was thinking something like: https://www.ge.com/reports/post/118394013625/these-engineers-3d-printed-a-mini-jet-engine-then/ https://www.ge.com/reports/post/1

I was thinking something like: https://www.ge.com/reports/post/118394013625/these-engineers-3d-printed-a-mini-jet-engine-then/ https://www.ge.com/reports/post/118394013625/these-engineers... I think you can do a crappy jet engine out of boring sintered stainless steel (316L), barely. Particularly if you could throw in some basic stuff from McMaster-Carr (seals/bearings/etc.)