Forget the stand and do the work free standing, as pictured in post #10 . It is not difficult and go slow (wee movements at a time - you don't want to bend too much and then have to bend back again. Expect to spend an hour, or so, doing the job and double check measurements after each and every attempt to bend. I am actually bending the stays in this picture and without the help of anything securing the frame set. It is not that difficult if you go slow...