package P
  model M
    P.C c1 annotation (
      Placement(visible = true, transformation(origin = {110, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0), iconTransformation(origin = {110, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
    parameter Real r = 5;
  equation

    annotation (Diagram(coordinateSystem(preserveAspectRatio=false)), Icon(
          coordinateSystem(preserveAspectRatio=false)));
  end M;

  model N
  P.M m1(r(displayUnit="K") = 10, s = 12)  annotation (
      Placement(visible = true, transformation(origin = {-2, 10}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
  P.M m2 annotation (
      Placement(visible = true, transformation(origin={39, 10},    extent={{-10,-11},
              {10,11}},                                                                            rotation = 90)));
  equation

  annotation (
      Diagram(coordinateSystem(initialScale = 0.1, extent = {{-100, -100}, {100, 100}}, preserveAspectRatio = true, grid = {2, 2})));
  end N;

  connector C
    annotation (
      Icon(graphics={  Rectangle(fillPattern = FillPattern.Solid, extent = {{-100, 100}, {100, -100}})}));
  end C;
end P;