Oh, I wasn't aware of that! I thought that Show HN was for anything that I had made. I also wanted to invite people to discuss this with me (as the artist), but I could have disclosed that in the first comment, too, of course.
You can post these things, but they're supposed to be posted as regular links, not with the enticing "Show HN" prepended.
The Show HN rules are here: https://news.ycombinator.com/showhn.html