I have some osteoarthritis and with the bottles tightly closed I have trouble opening them, so I came up with this simple tool, but very practical to use.
You need an M3x15 with a fixed nut
Print two pieces, invert the sense of one and join them with the screw and nut
Print Settings
Printer Brand: MK3
Printer: Prusa i3
Rafts: No
Supports: No
Resolution: 0,2
Infill: 100%
Filament: esun abs black
Credits:
jopoma