*Finally* figured out the real implied rotation sequence for the paytern elements in this 1959 Julio Le Parc screenprint, Rotation de carrés (1959). Even more sophisticated than I'd thought when I 'corrected' my first try.
Animation, still image, original. Recreated with Python in @nprofile1q....


Animation, still image, original. Recreated with Python in @nprofile1q....

