The movements of the blocks might be difficult for some users to watch. Click Green Flag to start, Space Bar to stop. Go to See Inside and Switch Costumes and run program again. Notice some Fibonacci #'s and Golden Angle #'s in the Variables and block inputs (for example, 8 and 137.5). When remixing try other Fibonacci numbers and 222.5 instead of 137.5
Some common Fibonacci numbers, 0, 1, 1, 2, 3, 5, 8, 13, ... Videos I watched (Doodling in Math Class): Part 1: http://youtu.be/ahXIMUkSXX0 Part 2: https://www.youtube.com/watch?v=lOIP_Z_-0Hs Part 3: http://youtu.be/14-NdQwKz9w Thanks to ckycity for Fibonacci #'s in coding ideas