stroke = new BasicStroke(
               0.2f*ds,//width
               BasicStroke.CAP_ROUND,
               BasicStroke.JOIN_MITER);
    g2.setStroke(stroke);
     
    GeneralPath gp2 = new GeneralPath();
    gp2.moveTo(0.75f*ds,-0.25f*ds);
    gp2.lineTo(1.00f*ds,-1.25f*ds);
    gp2.lineTo(1.25f*ds,-0.25f*ds);
     
    g2.setPaint(Color.green);
    g2.draw(gp2);

Figure 10