This is a well documented problem that has been around for over a decade - commonly referred to as the UnrealEd BSP Goblin.
You should avoid overlapping brushes, and where possible, avoid subtractive brushes.
This is a well documented problem that has been around for over a decade - commonly referred to as the UnrealEd BSP Goblin.
You should avoid overlapping brushes, and where possible, avoid subtractive brushes.