### Articles

https://pri-plastics.com/understanding-plastic-extrusion-a-comprehensive-guide/\
https://www.[filtered].earth/news/extrusion-machine

### Books

https://www.barnesandnoble.com/w/extrusion-harold-f-giles-jr/1111448551

### YouTube

https://www.youtube.com/watch?v=tGc-Z7TtiVg\
https://www.youtube.com/watch?v=1A05nDBKzVc\
https://www.youtube.com/watch?v=9Hmp4K3NwB0

### Opensource Designs

https://community.preciousplastic.com/library/make-a-bench-with-beams