This is a replacement spring for a Minolta 49mm lens cap as found on my Maxxum Lenses. This will replace a broken spring and should be printed with 100% infill and in PETG for the flexibility. I've tested this in a Maxxum 35-70mm Lens as well as the Maxxum 70-210mm “Beercan” lens.
The author marked this model as their own original creation.