I designed and 3D printed some gears for the Olympus 60mm and 12-50mm lens for my Aquatica GH5 housing. I wanted to share the design if anyone else wanted to use them! I've uploaded the *.STL files to thingiverse at the following link: https://www.thingiverse.com/thing:2924403
The 12-50mm requires adding a layer of tape or two to make the zoom gear thicker for the gear ring to slide on.
