label = new GUILabel(250, 30, "width", gui);
add(label);
GUINumberfield numberField = new GUINumberfield(300, 30, 60, 15, gui);
numberField.setLabel("mm (w)");
numberField.setText(String.valueOf(GLOBAL.shapePack.materialWidth));
numberField.addActionListener(GLOBAL.shapePack, "materialWidth");
add(numberField);
label = new GUILabel(250, 50, "height", gui);
add(label);
numberField = new GUINumberfield(300, 50, 60, 15, gui);