update the french door curtain treatment so the valance matches the valance above the bed exactly use the existing bed curtain as the reference for the valance shape trim detail fabric color proportions and construction the french door valance should look like it is part of the same custom window treatment collection as the bed curtain keep the french door curtains and tiebacks exactly as they are only adjust the valance to match the bed curtain valance preserve all other elements of the room including the architecture millwork furniture flooring lighting and d cor do not make any additional changes