How can I make a door or window in my brush?

Maybe write in French.
That translation is … impossible.
Is there a French forum?

hello I would like to touch what svoir use to drill a hole in my brunch created the harbor ect

soory i am french my english is limited

what is the key to created a hole in the brunch! (Door window ect)? Have you understood?

BSP brushes can drill holes in spaces and create harbors.