terraPin, a 120 Film Pinhole Photography System
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The **terraPin Pinhole Camera** is unlike any other pinhole camera, 3D printed or otherwise. Developed after years of experience designing and constructing pinhole cameras, the terraPin is intended to be very easy to assemble, modify, and hack. Derived from the [P6*6](http://www.thingiverse.com/thing:157844), the terraPin also uses 120 film, with a 6 X 6 cm frame, like the Holga, Hasselblad, and other classic medium format cameras. Dozens of P6*6 pinhole photographers around the world provided input and feedback to help shape the terraPin.
The "Slider" joint between the body and extension allows for effortless changes in focal length, angle of view, and magnification. One camera body and film transport mechanism can be used with multiple extensions, each with their own pinhole and shutter blade.
Assembly is a snap. A dovetail joint sandwiches the pinhole and shutter without fiddly fasteners. A single bolt holds the joint securely and provides a pre-load on the shutter fulcrum. Reduced number of glued joints in the terraPin. Velvet or felt is no longer required for light-tight construction. **NOTE** There is the potential for a light leak at the bottom of the extension-body joint, which manifests at the top of a landscape photograph (remember the image is inverted on the film). For more information see [thing:703591: terraPin Stawp Gap](http://www.thingiverse.com/thing:703591)
See [terraPin High-Strength Winder (1/4"…
