PrimitiveShape shape = editBlackboard.getGeoms().get(0).getShell();
editBlackboard.addPoint(0,0, shape);
editBlackboard.addPoint(100,0, shape);
editBlackboard.addPoint(100,100, shape);
editBlackboard.addPoint(0,100, shape);
editBlackboard.addPoint(0,0, shape);
PrimitiveShape hole = shape.getEditGeom().newHole();
editBlackboard.addPoint(5,5, hole);
editBlackboard.addPoint(20,5, hole);
editBlackboard.addPoint(20,20, hole);