Subtraction in 4.9

Hi,

I haven’t been able to make windows in the constructions. I have seen tutorials from others versions of the program… in these versions there is a way to make "walls"that are not additive, but subtractive, and I can’t find the way to do it in 4.9. Help please!

It still works the same:

  • are you sure that you use bsp brushes?