So in my A/D map that I am making, I've decided to arrange BLU's spawn to be underground, beneath some cliffs (just like BLU's first spawn on Dustbowl) and in order to cut down in travel time, I've created it diagonally. Here is the overhead grid view of BLU's spawn: Here is a map editor's overhead view: Here it is without nodraw: and here's the entrance, just to get a feel of what I'm talking about: So my question is, what would be the best practice to make sure this is optimized? Since it's diagonal (45 degrees), what is it doing to my map exactly, concerning visleafs? Should I func_detail it? There's a shack that it exits out of that's func_detailed and it is diagonal as well.