docs: def _resize_connection_models_list(connection_models, factor, gaphas_editor=True):
      """ Resize relative positions of way points of a list of connection/linkage models """
      for connection_m in connection_models:
          # print("old_waypoints", connection_m.get_meta_data_editor(for_gaphas=gaphas_editor), connection_m.core_element)
          old_waypoints = connection_m.get_meta_data_editor(for_gaphas=gaphas_editor)['waypoints']
          new_waypoints = []
          for waypoint in old_waypoints:
              new_waypoints.append(mult_two_vectors(factor, waypoint))
          connection_m.set_meta_data_editor('waypoints', new_waypoints, from_gaphas=gaphas_editor)