Museum curator. Freelance right now. I went to undergrad for costume design/history and auto mechanics, and have a graduate degree in antiques. Seriously. I am pretty resourceful, and always have several projects going in different areas, none of which (thankfully) involve french fries. My DH is also an (employed!) curator, and he makes reproduction uniforms on the side and does movie work sometimes too.
We have several income streams because of our many skills with fabric, leather, etc, but I haven't figured out a way to make them passive in any way. LOL. This shit doesn't sew itself.
My work is really interesting, doesn't pay much, and sometimes feels in conflict with our FI goals, but it is what I do, and our mustaches are growing all the time...I'm still giddy over opening my Vanguard account this morning!