Designing a 3D Printed Scanning System for Cut Strip Negatives – By Stuart Jenkins
I’ve designed and 3D printed some film holders that work well with cut strips, and the models are free to download on Thingiverse.
It can be a faff to digitise your negatives with a DSLR and get good results. The negatives need to be held flat, but many people report getting ‘Newton’s rings’ interference patterns when they’re just weighted down directly onto a lightbox. Then there’s the light source itself — it’s hard to get a completely even area of pure white light.