John Wallis and the Roof of the Sheldonian Theatre: https://www.soue.org.uk/souenews/issue4/wallis.html, via an @aperiodical description of a 3d print of the same structure, https://aperiodical.com/2019/11/my-adventures-in-3d-printing-wallis-sheldonian-theatre-roof/
It's an elegant way to build a wide roof out of short beams with no joinery. But the history is somewhat lacking: Similar structures were known much earlier to Leonardo Da Vinci, Villard de Honnecourt, and Sebastiano Serlio. See Sylvie Duvernoy, "An introduction to Leonardo's lattices", https://doi.org/10.1007/978-3-7643-8728-0_1
A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.
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