I've made a 3 poster. Basing on technique from class.
I hadn't nothing beyond so much. For 2025 poster, I export file as PSD from Illustrator. Having acces to shapes it's very easy to use noise brush with texture, just select and mask your shape.

Thanks in advance for feedback. If you like my work, please visit my Social media to see more project:

https://www.behance.net/michawolski4
https://www.instagram.com/mihu_wolski_1996/