Shop › 3D Printed Brake and Rotor Keychain Image 1 of 2 Image 2 of 2 3D Printed Brake and Rotor Keychain $4.00 3D Printed Brake and Rotor Keychain. Custom colors available. Please note color preference when placing your order. Quantity: Add To Cart Added! 3D Printed Brake and Rotor Keychain. Custom colors available. Please note color preference when placing your order.