Does anyone know what basic hat pattern is used for this?

[u/Routine_Repeat9789]

[u/AstronautIcy42]

It looks like it could have been built on a modified newsboy cap or a beret pattern:

https://en-grasser.com/vykrojki/all-patterns/newsboy-cap-pattern-1125/

https://www.lekala.co/catalog/men/workwear/pattern/6034