HiI want to make a door that goes through several walls, but as I have understood, it isn't possible. Therefore I would like to merge the walls together, but just a part of the wall because there is a height difference in the wall that makes the merg...

Hi! To create a wall that is durable during heavy rain, i wanted to create a system that has weatherboarding on the outside, followed inwards with an empty space and then a windbreaker. In order for this to work I need the two outer skins to be sligh...