This is a tiny gizmo designed for the terraPin pinhole cameras for the prevention of a light leak. http://www.thingiverse.com/thing:495230 http://www.thingiverse.com/thing:577223 See the sample photos for examples of the "fluorescent-light-shaped" light leak. You will see the defect on one of the long edges. This part is designed for easy retrofit to a previously-built camera. ATTENTION This work is licensed under the Creative Commons - Attribution - Non-Commercial license. This license applies only to the files and documents available for download from the Thing Files section of this Thing. All other related content (photographs, videos, and verbiage such as contained in "Description" or "Instructions" ) are excluded from this license. with all rights reserved, unless specifically available for download This notice constitutes a clarification, not a change, to licensing for this design. Print the Stawp Gap widget and dry fit into the base of your terraPin pinhole camera. Glue in place per the CAD illustration. For additional light trapping, consider foam or tape on the camera body where the extension fits.