How do I make the AI build a base more spread out?

I made the AI radius 24 (the max) for every building, But the AI still bunches the buildings up. Even building a few buildings on top of each other, which I don't get.

Maybe try placement type to Factory or Hall.

Otherwise, trigger your AI.

Alternatively, Make a new Pathmap for each building with a fat blue area around it.

I used the townhall/castle pathing map on all buildings. Works good now.