Further evidence that the list of things yet to be 3D printed is shrinking by the minute, Léo Marius has come up with a 3D printable SLR camera. Named OpenReflex, the camera includes a mirror viewfinder and a mechanical shutter release button. By using custom ring mounts, Marius says that more or less any lens can be attached.

Marius says that the entire camera should be printable using an ABS 3D printer in under 15 hours, with an extra hour to put the individual parts (including the film receiver, shutter and viewfinder) together. The film receiver takes 35-mm film which the shutter exposes for 1/60 s, and though your mileage may vary, I think it takes rather lovely black and white stills:

Clearly, you can't print the entire camera, and so a few other bits and pieces (such as a mirror and some screws and bolts) need to be bought. Marius puts the material costs, including the ABS, at under €25 ($32).

The designs are available under a Creative Commons license, and Marius encourages other designers to tweak the OpenReflex and share their modifications on the web. If there's enough interest, Marius is considering launching a crowdfunding campaign to sell the camera for about €50 (US$65) a time.

Check out Instructables for the design files and instructions.

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