This Gizmo Cuts Plastic Bottles Into Neat Strips https://ino.to/ZGvyODe

This is how you re/upcycle soda bottles into 3D printer filament…that long strip is fed thru a machine using pultrusion, making filament from PETG. I'm sure a jig to remove the top/bottom cleanly would be simple.

@core77.bsky.social