Turtle Demo 5 FtH with rotation

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<language>Java</language>
<eval id="4adad1eed15db">
canvas.clear();
Turtle t1 = new Turtle(1);
Turtle t2 = new Turtle(1);
Turtle t3 = new Turtle(1);
Turtle t4 = new Turtle(1);
t1.penColor(0,255,0);   t2.penColor(0,0,255);   t3.penColor(255,0,0);  t4.penColor(0,255,255);
t1.penWidth(5);         t2.penWidth(5);         t3.penWidth(5);        t4.penWidth(5);
public void frame() {  
  t4.penUp();  
  t4.forward(75);  
  t4.left(90);
  t4.forward(30);
  t4.left (90);
  t4.penDown();
  t4.forward(80);
  t4.left(90);
  t4.forward(170);
  t4.left(90);
  t4.forward(80);
  t4.left(90);
  t4.forward(170);
}
public void fth() {  
  t1.penDown();  t1.forward(30);
  t2.penUp();    t2.right (90);   t2.forward (40);  
  t3.penUp ();   t3.right(90);    t3.forward(80);  
  t1.right (90); t1.forward (20); t1.left(180);  t1.forward (20);  
  t2.left (90);  t2.penDown ();   t2.forward(60);
  t3.left (90);  t3.penDown ();   t3.forward(60);
  t1.right(90);  t1.forward (30); t1.right (90); t1.forward(20);
  t2.left(180);  t2.forward (20); t2.right (90); t2.forward(10);   t2.left(180);  t2.forward(20);
  t3.left (180); t3.forward(30);  t3.left(90);   t3.forward (25);  t3.left (90);  t3.forward(30);
     t3.right(180);  t3.forward(60);  t3.left(90);
}
for(int i = 0; i < 18; i++){
  t1.home();  t2.home();  t3.home();  t4.home();
  frame();
  fth();
  t1.penUp(); t2.penUp(); t3.penUp(); t4.penUp();
  for(int i= 0; i < 23; i++){     
    t3.forward(20); 
    t1.setAngleTo(t3); t1.forward(17); 
    t2.setAngleTo(t3); t2.forward(17); 
    t4.setAngleTo(t3); t4.forward(17);
  }
}
</eval>

<canvas>   </canvas>