Ok I thought I'd give ChatGPT a shot.
I prompted the first time, it just gave me Hilbert tiles all broken not continuous. look like pixels or different tiled.
Then I said I wanted one continuous curve. It tried again and gave something that looked random like travelling salesman feel.
I then screen captured it and uploaded it and said that it looks like TSP and it agreed and came up with this version:
https://yourquietfriend.blogspot.com/20 ... maker.htmlexample output (I just chose your signature image, I didn't convert to gray scale or anything since that's what I told ChatGPT to do for me too

) :

This is kinda cool that it's one line because (Well I guess I couldve asked chatgpt to make the starting point and ending point to connect with border image, here I found them and just made them connect with image border and filled with red).
