The TerraPin OSKAR Lochkamera is a 3D-printed, open-sourced pinhole camera, designed and made by Todd Schlemmer. It is one of many pinhole cameras that Todd has designed over the years. It makes 6x9cm negatives using 120 roll film. It is named the "TerraPin" because it is largely made of environmentally-friendly, quick-to-breakdown materials. The camera features a rotating shutter and top-down loading. These cameras can be purchased from Todd fully assembled, or you can download the plans and build it yourself.⠀ ⠀
The cool thing about Todd's cameras is that, as far as we can tell, all of them are up on Thingiverse. Head to the Thingiverse website and search either for "schlaboratory," under Things, or "Schlem," under Makers, and you will find a whole list of designs for Todd's pinhole cameras for you to download and print out yourself. Additionally, you can look Todd up on Etsy (search for "schlaboratory") to find his ready-made pinhole cameras for very reasonable prices.