@mhtaylor said:
Welcome Jos - you don't look like a beginner to me - as for your uploading problems, I had a couple too and was given some suggestions here that you might want to check out: http://forums.sketchucation.com/viewtopic.php?f=11&t=21366
Okay I will check it out, thanks!
Sometimes when I cut away a surface, like for example a window construction with 6 windows, I can't see through the middle window. Not because there is still a surface but just some lines and a transparant grey area. Is this common?