terraPin OSKAR Lochkamera (pinhole camera)

thingiverse

The terraPin OSKAR is designed for easy printing and assembly, requiring just one nut and bolt. Its 29 mm focal length provides a wide angle (almost 90 degrees) with minimal optical vignetting at the corners of the 6X6 frame, giving it a classic pinhole look. The camera features a pinhole diameter of 0.23 mm, but this dimension is not critical to its performance. A pinhole camera is essentially a light-tight box with a teeny, tiny hole. After that, everything else is embellishment. I've designed a dozen or more pinhole cameras for 3D printing, the first couple being rough exercises in ugly design. Subsequent iterations feature details like knurled textures, clever joinery inspired by fine woodworking, and better solutions to assembly. The P6*6, one of my earlier designs, is still a popular pinhole camera on Thingiverse, but it's difficult to assemble and fiddly to shoot. I consider it outdated. The terraPin OSKAR, on the other hand, is designed for simplicity and ease of use. Long before the Bauhaus School was associated with Goth-Punk music, its members aimed to "to reimagine the material world to reflect the unity of all the arts". Their principles were extremely influential on modern design, architecture, graphics, interior design, and typography. Historians characterize Bauhaus-style buildings with a prevailing harmony between design and function and a noticeable lack of ornamentation. The terraPin OSKAR is my 21st century response to the Bauhaus school of design. I hope you use it to make disruptive and degenerate art. A little disruption now couldn't hurt. The camera features a recessed area for decorative purposes, allowing you to customize it with your own materials. 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) are excluded from this license, with all rights reserved, unless specifically available for download. Print Settings: Printer Brand: LulzBot Printer: TAZ 4 Rafts: Doesn't Matter Supports: Yes Resolution: 0.20 mm layer height Infill: For opacity and strength, use 25%+ Notes: Use opaque filament for the best results. ABS is fine, but PLA is prone to translucence. If unsure, use this OPACITY TOOL to assess the opacity of your filament. I maintain a list of tested PLA filaments and their opacities on that Thing page; if you find another opaque PLA, please share in the comments. The winders are the only parts that require support. I tried to engineer support that would make for a better part, but I can't beat the support structures generated by SLIC3R. Print with 3 perimeters for the best possible surface finish. Post-Printing Clean-Up: This is a web of built-in support under the flat plate that is part of the cap assembly. This must be cleaned out prior to installing the winders. I pluck and twist with a needlenose pliers and then trim any remaining bits with an Xacto blade. Failing to take this support webbing out will cause difficulty winding film at best, jamming and damage at worst.