Yesterday I finally made something I've been wanting to do for a long time, a simulated wire. You can move each endpoint around, and the wire moves as it should (and gets affected by gravity). You can also set all kinds of properties for it.
I made it with Raylib. I will see if I can make a UI for it, and then put the code on github.
So that others can use it. Once that's done I'll make a godot plugin for wire, so that you can use it there as well. Also I want to add collision with other meshes, currently there's a floor it collides on.