sample Sketch

By Binshadcs
c1 = rectangle(w=200, h=200, fill="red", stroke="none") | repeat(9, rotate(angle=10))
c2 = rectangle(w=190, h=190, fill="white", stroke="none") | repeat(9, rotate(angle=10))
c3 = rectangle(w=180, h=180, fill="blue", stroke="none") | repeat(9, rotate(angle=10))
c4 = rectangle(w=170, h=170, fill="white", stroke="none") | repeat(9, rotate(angle=10))
c5 = rectangle(w=160, h=160, fill="green", stroke="none") | repeat(9, rotate(angle=10))
c6 = rectangle(w=150, h=150, fill="white", stroke="none") | repeat(9, rotate(angle=10))
c7 = rectangle(w=140, h=140, fill="gold", stroke="none") | repeat(9, rotate(angle=10))
c8 = rectangle(w=130, h=130, fill="white", stroke="none") | repeat(9, rotate(angle=10))

c9 = rectangle(w=120, h=120, fill="black", stroke="none") | repeat(9, rotate(angle=10))
c10 = rectangle(w=110, h=110, fill="white", stroke="none") | repeat(9, rotate(angle=10))

c11 = rectangle(w=100, h=100, fill="#e642f5", stroke="none") | repeat(9, rotate(angle=10))
c12 = rectangle(w=90, h=90, fill="white", stroke="none") | repeat(9, rotate(angle=10))

c13 = rectangle(w=80, h=80, fill="#4d97ff", stroke="none") | repeat(9, rotate(angle=10))
c14 = rectangle(w=70, h=70, fill="white", stroke="none") | repeat(9, rotate(angle=10))


show(c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14)