Shop › 3D Printed Brake and Rotor Keychain Image 1 of 2 Image 2 of 2 3D Printed Brake and Rotor Keychain $3.00 3D Printed Brake and Rotor Keychain. Custom colors available. Please note color preference when placing your order. Add To Cart Added! 3D Printed Brake and Rotor Keychain. Custom colors available. Please note color preference when placing your order.