Code Sketch

cleari()
setSpeed(fast)
right(30)
def triangle(n: Int) {
    repeat(3) {
        forward(n)
        right(120)
    }
}

def shape(n: Int) {
    //    savePosHe()
    setPenColor(noColor)
    setFillColor(cm.rgb(n.toInt, math.abs(255-n*3).toInt, 125))
    triangle(n)
    if (n < 10) {
        triangle(n)
    }
    else {
        savePosHe()
        shape(n/2)
        hop(n/2)
        shape(n/2)
        hop(-n/2)
        right(60)
        hop(n/2)
        left(60)
        shape(n/2)
        restorePosHe()
    }
    //    restorePosHe()
}

shape(300)