This one was so much fun - I went from the idea of raking a Japanese garden to spaced out "Holy Mountain" landscapes that get hit by an abstract sun.
I struggled with getting a constant line around curves, which is necessary for fine raking lines.
While playing with geometric patterns, I went into perspective and space again: Depth has a certain quality for the viewer. So I decided to play with repetition and shades and tied all generated line to the mouse-button.
After that I modified the brownian motion example and got some nice color out of it - this is visible in the background.
I used mostly basic functions and nested loops to let the machine do the hard-coding.
I had one issue with a "let" declaration: