https://en.wikipedia.org/wiki/Spinneret https://en.wikipedia.org/wiki/Spinneret https://web.archive.org/web/20161220082737/http://www.astrographics.com/GalleryP

https://en.wikipedia.org/wiki/Spinneret https://en.wikipedia.org/wiki/Spinneret https://web.archive.org/web/20161220082737/http://www.astrographics.com/GalleryPrintsIndex/GP2017.html https://web.archive.org/web/20161220082737/http://www.astrog... At least I didn't know that spiders do molecular operations not only when generating the silk substance but assembling it to strand.