Working in a niche field I see this a lot. For example, we needed an adapter for an amplifier from a small research equipment company. The provided us with a 3d printed component MacGyvered with existing hardware. I would imagine the total number they will ever need to make would be less than 100. I can’t imagine a better use for 3d printing.

He also has a Ph.D. strangely enough.

I used to work with a neurologist who was formerly a chiropractor until he realized it was a bunch of quackery and decided to become a real doctor.