The future is analogue! If you're part of the lucky few who have access to a 3D printer, why don't you try printing your own SLR camera?
I proudly present the OpenReflex, an Open-Source analogue camera with a mirror viewfinder and a finger activated mechanical shutter. I’ll get this out if the way first. You’ll have to supply your own lens. Maybe a nifty fifty from one of your old SLRs. Technology isn’t quite there yet for you to print your own lens but hey, stranger things have happened, right?
Other than that little hiccup, practically everything is for the 3D printer. Head on over to Instructables for the complete files and download links.
Here’s a couple of test shots: