Bottle Opener

Compact Keyring Bottle Opener – 1 Cent InsertThis is a compact, minimalist bottle opener designed to live permanently on your keychain without adding bulk. The key feature: the keyring itself acts as the lever extension. When opening a bottle, simply use your keys and the ring as additional leverage — no oversized handle required.To complete the opener, press-fit a standard 1 Euro Cent coin into the designated slot. The coin serves as the functional contact surface, providing durability and preventing wear on the printed plastic. No glue is required, the fit is designed to be snug.Specifications:• Inner ring diameter: 22 mm• Insert: 1 Euro Cent coin (press-fit)• Compact, lightweight, keychain-ready design• No additional hardware requiredPrinting Notes:• Print with high infill (recommended 80–100%) for maximum strength.A practical everyday carry tool that combines minimal material usage with smart mechanical advantage.