https://micro.magnet.fsu.edu/primer/java/scienceopticsu/moirepatterns/
https://absurd.design/illustrations.html
https://codepen.io/davidkpiano/pen/gOOJyGz
https://veerle.duoh.com/design/create-a-full-spectrum-spirograph-in-adobe-illustrator
https://lordicon.com/
https://www.opendoodles.com/
https://freedesignresources.net/natural-vector-texture-free-sample/
https://icons8.com/ouch
https://www.wowpatterns.com/
https://pixelbuddha.net/freebie/city-life-icons-collection/
