[math-fun] Tilings with 2, φ, ψ, χ, ρ

I've written a blog about new substitution tilings and other properties based on the constants 2, φ, ψ, χ, ρ. https://blog.wolfram.com/2019/03/07/shattering-the-plane-with-twelve-new-sub... If I missed something, I'd love to know about it. --Ed Pegg Jr