foil cutter for getting into your wine bottles. use 2 9mm utility knife snap-off blades and insert into the two slots in the correct orientation. been using this for a few years now. have replaced blades a couple of times and reprinted once. happy to see if anyone has any mods to suggest.

Creality

Ender-3 v2

No

No

0.4mm hot end, 0.2mm layer height

25% iirc, perhaps 4 perimeters will give a bit better strength