Kind of. All you need is fat and lye. Some experimenting would need to be done but I’m somewhat confident I could figure it out.

And you could make a living selling it. Assuming you can convince people of its benefits.

I’d make some fucking soap.

It’s just an API that allows a web page to draw in a box. The problem is, that for a bunch of technical reasons that I’m mostly not aware of, it can be used to fingerprint you.