code: def apply_cutout(self):
          " shaft cutout "
          stepper_shaft = self.components['shaft']
          top = self.components['topcap']
          local_obj = top.local_obj
          local_obj = local_obj.cut(stepper_shaft.get_cutout(clearance=0.5)f apply_cutout(self):
          " shaft cutout "
          stepper_shaft = self.components['shaft']
          top = self.components['topcap']
          local_obj = top.local_obj
          local_obj = local_obj.cut(stepper_shaft.get_cutout(clearance=0.5))
docs: shaft cutout