3D printed phone holder is a personalized support tool manufactured using 3D printing technology. It allows users to freely design or download unique designs, perfectly adapting to different phone sizes and grip angles. Printed from sturdy and lightweight environmentally friendly plastics such as PLA, the structure is stable and durable. Convenient and efficient production, able to quickly obtain finished products. Whether placed at the desk to watch TV shows, make video calls, or as a creative desktop ornament, it is a practical helper to enhance the mobile phone user experience, combining functionality and personalized expression.