Plastic shell prototype: refers to the customization of plastic shell of various products, such as: medical equipment and beauty equipment, 3C electronic products, children's toys, uav shell, etc., to test whether the structure design is reasonable, or to participate in the exhibition to explore the market. Suitable for medical equipment, fitness equipment, B-ultrasonic detector, anesthesia machine, blood glucose meter, household appliances, children's early education products and other electronic digital products.