code: def _expand_produced_mesh(self, mesh, mesh_index, row_position, passed):
          
          if not mesh.is_consumed():
              return
          row = mesh.consuming_row
          position = Point(
              row_position.x - mesh.index_in_consuming_row + mesh_index,
              row_position.y + INSTRUCTION_HEIGHT
          )
          self._expand(row, position, passed)
docs: expand the produced meshes