Misc. Aquarium brackets

Just some misc aquarium brackets I've designed for various uses. It's a bunch of random stuff, that is probably very specific to my uses, but I figure that others might find them useful somehow.

I'm including links to the tinkercad so you can hack them up.

https://www.tinkercad.com/things/1gJS0uFTy23-probeholder2
https://www.tinkercad.com/things/iC7AiKDRqML-bucket-limit-switch
https://www.tinkercad.com/things/bWOGv7IEzRB-atobracket20g

The ones included are:

A bracket to hold an AT