[cxr]

I got pretty carried away writing the thing as if it were a mid-century technical repair manual for a piece of industrial equipment, and never got around to publishing it but here you go: <https://crussell.ichi.city/gpe.html>

It could really stand to have an associated 90-second video demonstration that walks through the steps because of how unorthodox the the-documentation-is-the-implementation paradigm that I was experimenting with is.