It took about 30 minutes in total: https://archive.org/details/works-of-pablo-picasso Resolution is the best I could find, most images are max 1000px height / width.

I recently just finished a custom PCB art piece -> https://www.behance.net/gallery/137418457/NGC-2336

It was an interesting learning experience that brought me much closer to being able to create functional PCBs. The 45° angled traces however are just such a part of the classic aesthetic it's hard to go for something else. I'll definitely try some more exotic ones in the future.