Abstract: An cabinetmaker's adjustable template for shaping uniform arches or crowns or the like on rails or stiles used in panelled cabinet doors of various sizes. Sub-templates preferably having similar but mirror-image shaper working edges are attached at one end of a base unit and at the opposite end of a second member that is slideably adjustable in a longitudinal slot in the surface of the base so that various length pieces of wood stock clamped to the surface of the base and between the corner ends of the base and slideable second member may be shaped with identical patterns.