here is an idea for ya dont know if it helps any now but u never know. First u start by steaming the wood and when the wood is steamed it losens the fibers in the wood. u have to slowly bend the wood u only have a short amount of time to do this so u will have to use a jig. to the aprox shape of the wall u have .It is an art to do this , alot of pratice. good luck !