Installing small magnets in a 3D printed object can be challenged, especially if the magnet is in a position that’s awkward for your fingers. Also, generally you want to avoid getting your fingers near the superglue, if the magnet is glued in. This tool can help. See the writeup at https://asbestoscigarette.substack.com/p/a-3d-printed-helper-tool-for-magnet for printing and assembly instructions.