How it is drawn
An impossible current, folded into a shell. Every visible mark is computed in JavaScript: a three-dimensional logarithmic surface, 1,103 engraved curves with hidden-line removal, 22,000 unequal needle scratches, a stippled copper moon, and the texture of the paper itself.
This file runs offline. It has no libraries, image assets, external fonts, account, or network requests. Open its source to study or change the drawing.