Summarizing some discussion here before: practice, and with a goal or example.

Most notably - https://joshldavis.com/2013/05/20/the-path-to-dijkstras-hand...

Discussed - https://news.ycombinator.com/item?id=20791049

The wayback is called practicing, i think i told that story before but at 14 i basically started writing pages and pages of alphabets and numbers, working on individual signs and ligatures

Are you writing often?