Code Sketch

clear()
setSpeed(fast)
setPenColor(black)
setBackgroundH(black,white)
setPenThickness(3)


val a=1
val r=6
val p =22
val t =45
val b= 10



repeat(b) {
    repeat(r) {
        circle(110)
        right(p)
    }
    left(r *a)
    right(t)
}