Originally Posted by
owynter
I'm not sure what the problem is. ADT2006 has many weird bugs in it. Having used it for two years, I've learnt some work-arounds. I downloaded your drawing and, after a few trial and errors, got it to work. As for the reason you can't, I'm not sure. What I did was to use the arrow grip to stretch the wall to the left. Then I just added the third window you wanted. Once that's in place, just use the grip to stretch the wall back into place. I'm attaching the fixed file for you.