I setup large artwork for a school building front glass for perforated vinyl. The way I set it up was each window was it's own box and I merged them together using the Add function: Then I could work with the artwork as one piece in side the groups of boxes but it wouldn't show in between the windows at the frames or the bricks. I could also simulate the semi-transparency that the perforated vinyl looks like. I got the approval and the artwork a few weeks and was easily able