At least as far as the inner workings are concerned, there’s not a whole lot of difference between an single-lens reflex (SLR) camera that ... than just picking parts and 3D printing a case ...

Specifically, thanks can be directed at Léo Marius, whose OpenReflex camera can be 3D printed with just over $30 worth of parts (minus the film). Marius says that all of the involved components ...