Here is the link: https://thimbleprojects.org/simontiger/315031/
(it’s on this new thimble.mozilla.org online code editor)
What specially delights me about Simon’s works lately is the subtle sense of humour he writes with (probably acquired through both watching Daniel Shiffman’s videos and reading Murderous Math books):
The project isn’t finished yet as the example Simon is linking to the website is only for an ellipse and a superellipse yet:
Simon also plans to add other shapes to the website later.