[NOPANTS68]

That's really cool man. I like the lighting you chose for it. I manage a large production collision shop and I'd have to agree with ccrain- replace that fan. Years ago when we painted solvent I saw a fan that a painter took into a both poof into a light show when overspray got into it. It's the overspray that you can't see or smell that ignites, not the heavy stuff that collects. Buy a sealed fan from MSC Industrial supply for $350 and be done with it. God forbid, but should you have a fire, that thing will take the whole house out and I'd be surprised if your insurance covered it since it's a commercial activity being performed in a residence. Also really watch you ventilation as well. You can duct a 6 inch tube from Home Depot out of that room and into a filter outside of the structure that'll take care of that issue. A sealed fan inside will work.

I'm in no way criticizing your investment because I think what you've done is awesome. I love it when people get creative to that extreme. I just wanted to throw my 2 pennies in from a safety sake. Have fun man! Great stuff.