Here are a couple of user created content subreddits I like. They fall into the general overlapping categories of making and fixing things, and taking cool pictures of clouds, plants, and *nix desktops. :)
If you prefer the new layout you can "s/old/www/g".
If you prefer the new layout you can "s/old/www/g".
https://old.reddit.com/r/3Dprinting/
https://old.reddit.com/r/CLOUDS/
https://old.reddit.com/r/electronics/
https://old.reddit.com/r/KerbalSpaceProgram/
https://old.reddit.com/r/painting/
https://old.reddit.com/r/Pizza/
https://old.reddit.com/r/ramen/
https://old.reddit.com/r/retrobattlestations/
https://old.reddit.com/r/succulents/
https://old.reddit.com/r/unixporn/
https://old.reddit.com/r/vintagecomputing/