The rendering shouldn't be too difficult, but attaching the controls of each might be complex. Maybe give each a label that can be selected like A/B/C in the controls before adjusting the config.

User flow: Can click a share button to copy the a URL to their clipboard.

On the other side, and then they would need to load too in the recipient's browser.

URL format: https://fractals.onrender.com?sz=XX&b=XX&o=XX&l=XX&sc=XX&a=XX&bw=XX&c=XX.

That way people don't need to screenshot with the cog icon in it.

At the moment the background and settings are hardcoded as black. If prefers-color-scheme were utilized we wouldn't need a toggle or anything.