I just created an interesting project which draws designs using a cool idea:what if you had three arms turning at different speeds drawing something? and so this was born. It uses trig to project the direction, and draws with the pen at the end. I also included a neat visualizer, so you can see how it's drawing. It's kinda complicated, so look at the project . http://scratch.mit.edu/projects/zubblewu/2746613
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