MEJN

public static void main(String[] args) {
        JFrame win = new JFrame();
        win.setTitle("A19B0206P");

        makeGui(win);
        win.pack();

        win.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        win.setLocationRelativeTo(null);
        win.setVisible(true);

    }

    private static void makeGui(JFrame win) {
        DrawingPanel panel = new DrawingPanel();
        win.setLayout(new BorderLayout());
        win.add(panel, BorderLayout.CENTER);

        SVGGraphics2D g2 = new SVGGraphics2D(750, 750);
        panel.drawKytka(200, 200, g2);
        System.out.println(g2.getSVGElement());

        JButton bttnExit = new JButton("Exit");

        JPanel buttons = new JPanel();
        buttons.add(bttnExit);
    }