Hey everyone, I have written blog post about using metapict to draw hat tiling Drawing hat tiling using Racket
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Wow, pretty picture! (impressive math too, naturally 
)
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It looks like a nice post for hacker News. If you have an account , I suggest posting it there too (people is more friendly when the author is the submitter). If you don't have an account, I can post it.
I don't have account on hn. Feel free to post, thanks.
Edit: I do created account on hn a while back and forgot about it