I would like to know the easiest way to put some arcs in an arc wall. I have found that you can place a reference plane on the elevation of an arc wall and attach the wall to this, but I am limited to one ref plane.
For example, lets say I have a parapet wall in the shape of an elongated S. I would like to put a few curves on this wall in elevation to match the curve going on in plan. How would I do this? Thanks