Have you ever dropped your skimmer cup lid while cleaning it only to have it crack in half? Me neither.
I modeled this because I'm thinking of adding a float switch to my skimmer and didn't want to drill the original. I thought it might be useful to others that have either lost or broke theirs, so here it is.
https://www.printables.com/model/182898
https://www.printables.com/model/182898