Has anyone been mostly through carving a back plate (one-piece in my case)and noticed it taking on a warp? #My edges are lifting about a quarter inch on each side so it rocks around its longitudinal axis when one lays it on a table. #I am thinking of steaming or boiling it and clamping it to a level position and baking it for half an house at 150 degrees. #Is this a hare-brained idea? Will it probably split? #This can't be all that rare a problem. Can anyone offer help? #Thanks!