You will want to get a walking foot sewing machine. Look around for a used industrial walking foot. Talk to outfits that sell and repair industrial machines. You may find that you enjoy the sewing part of the deal. One of the things I learned was that the foam padding isn't as good as cotton batting. You can build up the raised areas around the perimeter of the seats with cotton batting. Talk to furniture reupholsters for cotton batting resources. ... View more