"Rubikon is a cut-out, which becomes a functioning camera (camera obscura) after putting together. In 1979 the ABC magazine published a jigsaw called Dirkon, which paraphrased the at that time very popular single-lensed reflex cameras. Rubikon, as a redesign has come back to react to the digital techno."
This one was designed by Jaroslav Juřica.
Rubikon 2 Pinhole Camera Papercraft via Paperforest