##Python 2, 169 Bytes
import turtle as t n=o=[90] for z in range(9): n=o+[90] o=o[::-1] for i in range(len(o)): o[i]=-o[i] n+=o o=n t.forward(15) for i in n: t.right(i) t.forward(15) Starts by generating a list or right (90) and left (-90) turns, then goes through the list and moves the turtle.