Location e1 = Location.create(rx + (width + 8) / 2, ry + 1);
Location ct = Location.create(rx + width / 2, ry + 11);
Curve notch = new Curve(e0, e1, ct);
notch.setValue(DrawAttr.STROKE_WIDTH, Integer.valueOf(2));
notch.setValue(DrawAttr.STROKE_COLOR, Color.GRAY);
Rectangle rect = new Rectangle(rx, ry, width, height);
rect.setValue(DrawAttr.STROKE_WIDTH, Integer.valueOf(2));
List<CanvasObject> ret = new ArrayList<CanvasObject>();
ret.add(notch);
ret.add(rect);
placePins(ret, edge.get(Direction.WEST),