It works on Safari. But here's a direct link that works on chrome. https://schollz.com/img/oneline/person.webm
I'm wondering if this could be used to generate drawings using line weight by using a brush tip and adjusting the Z coordinates. The "dessins abrégés" (abridged drawings) are a great historical antecedant by master artist Keisai would be a perfect match for this.
https://people.maths.ox.ac.uk/trefethen/ATAP/ATAPfirst6chapt...
https://www.piping-designer.com/images/disciplines/electrica...
For traversing the path, I considered the Chinese postman problem. There might be easier ways.