Others who have gone down a similar path:

- Amy Goodchild: https://news.ycombinator.com/item?id=40408291

- Kathleen Tuite: https://kaflurbaleen.blogspot.com/2012/12/creating-font-from...

- Julia Evans: https://jvns.ca/blog/2020/08/08/handwritten-font/

There's also the old but excellent Tekton, based on architect Frank D.K. Ching's handwriting, albeit designed by David Siegel of Adobe.