Click the Green Flag. To have a dotted pattern, move the mouse quickly. To have a solid line pattern, move the mouse slowly.
Check SEE INSIDE view and look at the degrees in the Turn block for each sprite. I have named each sprite by its Turn Degree. There are 8 sprites in this circle design (mandala) and there are 360 degrees in a circle. What is the connection between 8, 360, and the turn degrees?