LG Magic Remote Scroll Axle
I made it with PETG. After a minute of post-processing, it worked straight away.
Made with Ender 3 Pro, 230 degrees nozzle, 80 degrees bed, 20% fill, super-detail, at a 45 degree angle for strength. It can also be made horizontally. Vertical build isn't recommended because it may break at the thinner level.