Code
s1 = rectangle(h=300, w=300, fill="black")
show(s1)
s1=rectangle(w=160,h=160,fill="darkred",stroke="none")|repeat(20,rotate(50))
s2=rectangle(w=174,h=174,fill="red",stroke="none")|rotate(15)|repeat(20,rotate(50))
s3=rectangle(w=190,h=190,fill="orange",stroke="none")|repeat(20,rotate(50))
s4=rectangle(w=210,h=210,fill="yellow",stroke="none")|rotate(15)|repeat(20,rotate(50))|scale(0.98)
show(s4,s3,s2,s1)
s1=rectangle(w=140,h=140,fill="blue",stroke="none")|repeat(3,rotate(120))
s2=rectangle(w=120,h=120,fill="green",stroke="none")|repeat(3,rotate(120))
s3=rectangle(w=100,h=100,fill="darkorange",stroke="none")|repeat(3,rotate(120))
s4=rectangle(w=80,h=80,fill="yellow",stroke="none")|repeat(3,rotate(120))
show(s1,s2,s3,s4)
c1=circle(r=47,fill="brown",stroke="brown")
show(c1)
s1= ellipse(w=20,h=80,fill="blue",stroke="white") | repeat(30,rotate(50))
show(s1)