

It depends on how worn they are. You could probably reused the gliders if you are careful when removing them. I did end up replacing mine though. Here’s some replacements: https://www.aliexpress.us/item/3256805149791432.html
Wow that swelling problem is mysterious!
If 3d printing doesn’t work out: https://www.aliexpress.us/item/3256807056619542.html?





Another community that has sprung up recently is Reticulum. Some of the relay chats rooms, websites and forums on there feel like the early internet and the emphasis on direct communication over radios could prevent bots. But it’s definitely not ready as an internet replacement. Maybe in a few years…