Etch-a-sketch assignment from The Odin Project with CSS & JavaScript. It turned out not to be like 'etch-a-sketch' at all, since the user doesn't have to draw one continuous line and can draw with their finger or mouse, but it still involves 'sketching' so... close enough?

Live link: https://ravanbak.github.io/etch-a-sketch/

Actual real life image created by etch-a-sketch (this is not a photograph!):