A kind of faux marble or kind of trompe I'oeil.

And faux nostalgia works even in serious subjects like war.

Here I've written it as kind of faux Python. You can't actually run this.

Faux nostalgia, which I'm sort of not, say, famous for, but I work an awful lot in it.

Fact is, there's a general rule if you don't like it, it's fake if you do like it, it's faux.

Now, retrofits are often accused of being examples of faux downtowns and instant urbanism, and not without reason you don't get much more phony than an Astroturf town green.