Desmos (the graphing calculator tool used by the author) is really great! One thing that’s inconvenient about it is not being able to copy/paste formulas in. I ended up making my own graphing calculator web app to make drawing with math easier: FormulaGraph[0].

In a similar vein to the ripple, here’s[1] the Batman Curve in FormulaGraph.

[0] https://memalign.github.io/m/formulagraph/index.html

[1] https://memalign.github.io/p/batman-curve.html