I saw that @heldlaw made a snowflakes whirlwind, and I thought I could make one too! However, this one is 26 blocks of code and easier to understand. Maybe you could remix and make a leaf whirlwind? Which way is it spinning?
Credit to @heldlaw for idea. This is @heldlaw's snowflake whirlwind: https://scratch.mit.edu/projects/388565698/