Canvas but it's only the pixels placed by the top Instances.
Feel free to ask for your Instance in the comments if yours isn't included.
Edit: I have replied to a lot of requests for smaller Instances and individual users in the comments. You should absolutely check those out as well!
lemmy.world
feddit.de
lemmy.blahaj.zone
lemm.ee
sh.itjust.works
lemmy.ml
lemmy.ca
toast.ooo
programming.dev
lemmy.zip
beehaw.org
spoiler
Finally: My personal canvas. If you want to see what you have placed this event, feel free to hit me up
Interesting.