// http://sourceforge.net/forum/message.php?msg_id=4642076 public static void main(String[] args) { Frame frame = Application.current().getFrame(); frame.setLayout( new TableLayout( new double[][] { {0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, 0, 0)); for (int i = 0; i < 20; i++) { Panel panel = new Panel(); panel.setLimit("1," + i); panel.getStyle().getBorder().setSize(2); panel.getStyle().getBorder().setColor(Color.BLACK); frame.getChildren().add(panel); } }