(...) Well I decided to play around some more with it. And got a 3ldu offset and a 7ldu offset (both possible in studs up and SNOT 90). The same technique can make a protruding door (outset?) with 7ldu out or 3ldu out. All this assume I have my (...) (19 years ago, 2-Dec-05, to lugnet.build.schleim, FTX)