http://lab.andre-michelle.com/tonematrix

Also neat because you can copy and paste patterns. (Might be easier to right-click.) They come out as a series of numbers, so you can easily share them, like so:

Note: For formatting reasons, I put each one in an input box so you can click, select all, and copy.

Would be neat if it had some sort of time-based pattern switch. This next three is a series; let the first run a couple times and then paste the next one.

And in fact that last one I would like to be able to alternate one square on and off for alternate passes, and rather than trying to bother describing it I’ll just paste the two sequences here:

I get about 3/5ths of it, but eh, I dig harmonics.

also: yes I know it’s old christ you kids today.