Click on the script below to load it in a new Snap! window:

Note that we changed the name of the variable, by clicking on the orange oval without dragging it.

This shape is called a "squiral" — a square spiral. Do you see why it spirals outward? The length value in the varies between repetitions.

Try changing the turning angle to other numbers: 92, 126, etc. People might pay cash money for some of these pictures!

Also, try changing the turning angle and the move length to see how close you can get to a smooth spiral: