So I was trying to optimize a few rounded structures on my map by squaring them off with hint brushes. It worked on one of the smaller rounded edges, but appears to not take any effect on the large ones. Loading the portal file and checking out my leaves shows me that there isn't a single edge being made for most of my hint brushes. Is there something I'm missing? Do hint brushes have to be touching an edge on either end? This is the only thing I can think of, as the smaller ones have one edge touching while the larger ones are sort of floating" I'm hinting like they do for the rounded castle walls in cp_degroot. Yes they are essential to sight blocking and I can't just func_detail them. edit: Disregard, figured it out right aftewards. For some reason the hints were slightly off set from the structures they were squaring off and when I lined them up to the edges perfectly, they worked. I have no idea why, but that was the cause. edit2: Ok two still aren't working, even though they are lined up, is there anything else specific to hint brushes that enables them to work? edit3: Haha I swear I'll settle on what is happening. I got the leaves to cut, but now I still have some of the angled edges cutting through into other leaves through the hint brushes. Is there any way to block these so they aren't making extra unecessary cuts?