protected IFigure getCustomFeedbackFigure(Object modelPart) {
IFigure figure;
if (modelPart instanceof Circuit)
figure = new CircuitFeedbackFigure();
else if (modelPart instanceof LogicFlowContainer)
figure = new LogicFlowFeedbackFigure();
else if (modelPart instanceof LogicLabel)
figure = new LabelFeedbackFigure();
else if (modelPart instanceof LED)