Bob gave me a great pull request, with all the details, and all the math laid out, which made it very easy for me to pull. Just great work.
Here is an epicycloid, which I have called a “clover”:
A hypocycloid, which is similar, but to the inside. I have called this the “web”:
And a Rose, which by any other name, would still looks just as sweet (oh man, that’s corny):
Big thanks to Bob.