code: def get_standard_mesh(self, scaled=True):
          
          # TODO: allow this to take etheta and retreive a mesh at that true anomaly
          theta = 0.0
          protomesh = self._standard_meshes[theta] #.copy() # if theta in self._standard_meshes.keys() else self.mesh.copy()
  
          if scaled:
              # TODO: be careful about self._scale... we may want self._instantaneous_scale
              return mesh.ScaledProtoMesh.from_proto(protomesh, self._scale)
          else:
              return protomesh.copy()
docs: TODO: add documentation