Car Key Protector - Protects from Relay Attack
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A simple 3D printed insert for an Altoids tin that helps block your key fob's signal to reduce the risk of relay attacks
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Updated at source:
Model information
- Source
- Printables
- Category
- Automotive
- License
- Creative Commons — Attribution — Noncommercial
This 3D printed insert fits inside a standard Altoids tin and securely holds a Ford key fob. It has been tested with a 2024 Ford Mustang Mach-E key and may fit other keys as well.
When the key is stored inside the closed tin, the metal blocks the key's radio signal, helping reduce the risk of relay attacks used to unlock and steal vehicles.
Print the model in PLA using the default orientation.
To use it, place your key inside the tin whenever it is not in use, such as when it is stored at home.
Disclaimer: This model is provided as-is with no guarantees of performance or security. I tested it by placing my key inside the closed tin and confirmed that the doors would not unlock and the vehicle would not start. However, you should verify that it works with your specific vehicle and key fob before relying on it. I am not responsible for any loss, damage, or theft resulting from its use.