Code Sketch

clear()
setSpeed(superFast)
repeat(60) {
    setPenColor(black)
    setBackgroundV(blue, cyan)
    right()
    forward(100)
    turn(60)
    forward(100)
    turn(60)
    forward(100)
    turn(60)
    forward(100)
    turn(60)
    forward(100)
    turn(60)
    forward(100)
    turn(60)
    forward(100
    turn(60)
    forward(100)
}