def apply(self, workplane, world_coords=CoordSystem()):
        """
        Application of screwdrive indentation into a workplane
        (centred on the given world coordinates).

        :param workplane: workplane with solid to alter
        :type workplane: :class:`cadquery.Workplane`
        :param world_coords: coorindate system relative to ``workplane`` to move
                             cutter before it's cut from the ``workplane``
        :type world_coords: :class:`CoordSystem`
        """

        self.world_coords = world_coords
        return workplane.cut(self.world_obj)
Application of screwdrive indentation into a workplane
        (centred on the given world coordinates).

        :param workplane: workplane with solid to alter
        :type workplane: :class:`cadquery.Workplane`
        :param world_coords: coorindate system relative to ``workplane`` to move
                             cutter before it's cut from the ``workplane``
        :type world_coords: :class:`CoordSystem`