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Pocket Whistle Keychain
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This ultra-compact whistle is still small enough to live on a keychain, but it’s built for real output. The full print uses about 1.55 grams of filament and takes roughly 12 minutes to complete. Don’t let the size fool you though, it easily pushes past 90 decibels, making it loud enough to get attention fast. Designed to be lightweight, functional, and easy to carry, it proves that even tiny prints can pack serious sound.
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