That's right. PaperKraft.Net has posted PDFs of origami models of three notable Canon SLR cameras that you can print out using your desktop printer, and put together with nothing more than a pair of scissors, glue and plenty of time and patience!
You can download the artwork for the Canonflex, AE-1 and EOS 5D Mk II online at the following links:
Canonflex Part 1 (download)
Canonflex Part 2 (download)
Canon AE-1 Part 1 (download)
Canon AE-1 Part 2 (download)
Canon EOS 5D Mk II Part 1 (download)
Canon EOS 5D Mk II Part 2 (download)