Car phone number reminder ornament: After printing and carefully arranging the digits of your phone number, thread toothpicks through the two side holes to secure the model. The design features small slots for stable placement, making it ideal for use inside vehicles. Please note that if you plan to place the ornament in a car, we recommend using PETG for printing; printing with PLA may cause the model to soften and melt under prolonged exposure to high temperatures in hot weather.