An aerographic detail

Andreas Stötzner

I don’t know if anyone noticed it earlier, I did only recently. Those bits – serifs? aerifs?? – change their position dependent on the air flow direction.
Funny idea, actually.

Hrant H. Papazian

Pan Am used to do that too.

https://twitter.com/hhpapazian/status/804414176240091136

Mark Simonson

Not quite the same, but reminds me of TFAvian.