Practical Scrap Metal Small Arms vol 7 Model 2 Revolver kit from Excalibur. These are manually turned and index on the bottom cylinder. Six 22mags won't fit, five would but wouldn't index correctly, so four it is ! Their brass cratering into the breech face makes turning the cylinder difficult after firing. I've found dropping the hammer on a fired round 3 or 4 times is enough to hammer it back down so it can be rotated again. Not a complete success, but this is a novelty at best anyway. ... https://www.youtube.com/watch?v=0r9KsCo2Oqg

cable management will be the next hurdle. I need a few more parts for the current project though, so that may have to wait. I didn't make a true "how-to" build video of this because I'm not sure this is really a "good" idea. I don't know that a single layer of drywall is enough to truly fireproof a 3d printer. And is that really necessary? As for being the benefits of any enclosure, will this cause more heat problems than it solves? time will tell, but I'm curious is any of you have tried something similar? ... https://www.youtube.com/watch?v=ojMNdO_JdcE