If you found this interesting and are a non-expert, I recommend browsing
Foundations of Mechanical Accuracy by Wayne Moore (1970):
https://archive.org/details/Foundations_of_Mechanical_Accura...
Manufacturing got down to nanometer precision starting with macroscopic precision visible to the naked eyeball.
This article would be better without the opening two paragraphs about Godel's Theorem. They're just fluff, and much of what they say is wrong.