Indeed. I’ve been seeing it everywhere. The backstory of the Hat is way cool — it was discovered by a hobbyist: https://www.snexplores.org/article/einstein-vam

Indeed. I’ve been seeing it everywhere. The backstory of the Hat is way cool — it was discovered by a hobbyist: https://www.snexplores.org/article/einstein-vampire-tile-shape-math-geometry-pattern-no-repeats https://www.snexplores.org/article/einstein-vampire-tile-sha... Fun fact: if you use it when writing f-hat, g-hat, etc, your equations will all fit together in a visually pleasing way. (But watch out; you’ll never be able to diagonalize them!)