Hey Fil. Can you move this into the Observable team so can share maintenance of code examples? Thank you. 🙏

sure! I don't want to burden our collections with all my experiments, but this one is strictly following documentation :)

How can I use the svg of another Plot as a custom marker?

Why would you want to do such a thing? :) But it's perfectly legal to place SVG inside a marker, so try: marker: (color) => htl.svg`<marker viewBox="-4 -4 8 8" style="overflow: visible; fill-opacity: 0.2;" >${Plot.frame({fill: color}).plot()}`

Ah, well, I want to plot small lissajous figures at specific places, showing the ‘harmony’ of a specific musical ratio. Both the container and the markers created by Plot. I’ll investigate your suggestion. Thanks.

See https://observablehq.com/@observablehq/plot-of-plots

Wonderful! Thanks. (Seems like I’ve already liked it some time ago). Plot of Plots – always handy.