My Toolbox just got Bigger!

[frank2056]

If you have a 3D printer (or a nearby printing service) here's an equivalent: https://www.thingiverse.com/thing:5391399

This one is brand agnostic: https://www.printables.com/model/1012316-flexigrip-pet-bottle-opener-print-in-place

[Nick]

If you have a 3D printer (or a nearby printing service) here's an equivalent: https://www.thingiverse.com/thing:5391399

This one is brand agnostic: https://www.printables.com/model/1012316-flexigrip-pet-bottle-opener-print-in-place

My nephew uses a Bambu printer. This is the one I have.
https://makerworld.com/en/models/1530622-tamiya_vallejo-paint-opener?from=search#profileId-1605106

They do work on both sizes, yes. and very well too. 

I find that the trick is to push the tool down hard onto the lid so that it doesn't slip.

[Gondor]

During a pleasant trip to Edinburgh today, I popped into Wonderland and bought Albion Alloys BT1 M Round Brass Tube x 4, 1mm x 0.25mm, 302mm Length.