So I found a guy using people's artwork to make lithopanes, plastic panes which light is projected through to make the image glow and even project it. For some reason he's focused on just furry artists.

So if you'd like to see if any of your work is being used, look here: https://cults3d.com/en/users/Piratecory/3d-models

If you'd like to contact the site to request the work be taken down, you might have luck doing so through this https://cults3d.com/en/contact