This was the recommended method by a forum member. Previously, I was creating the arch in another software, importing and positioning. I'm practicing the advised technique but hit a tiny snag. In order to create empty space to place columns under the arch heel, I selected the wall and placed a cut point then pulled the wall section up. This should work but how do I precisely do the same thing on the left side. My snaps are not snapping. If there is a better way to r