It would be great if ArchiCAD could do everything we could think of in just one step, but every aristocrat ArchiCAD user knows, for that, you need a servant.
But you still get credit.
Aussie John's GDL Insertablok® method is limited to solid walls - doesn't work with logs. Not that most of you would care about that - being un-primitive and all.
It would be easy enough to make what I showed in my previous post parametric - then you'd have it all in one object instead of rewriting and debugging several potential window objects....
Dwight Atkinson