Bottle Opener Keychain
A keychain opener that uses a coin
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About this generator
Plastic alone can't open a bottle for long, but a coin can. The coin slides into the slot and does the work.
How to use
- Pick the coin you'll use.
- Add a name.
- Print flat and slide the coin in from the side.
Printing tips
- Use PETG for strength.
- Hook the coin edge under the cap and lever upwards.
Helpful guides
Frequently asked questions
How does it open a bottle?
Slide a coin into the slot from the side. Its edge sticks into the opening and works as the lever: hook it under the cap and lift.
Which coin should I choose?
The coin you will use. The slot is sized for that coin's diameter and thickness. For any other coin, choose Custom and enter its size, measured with calipers.
Is PLA strong enough?
For now and then, yes. PETG is tougher and the better choice for an opener on your keys that gets used often.
