3D printing neck guard

The utility model provides a 3D printing neck guard which is of a U-shaped structure and comprises a bearing part arranged at the top and an attaching part arranged at the bottom. Each of the bearing part and the attaching part comprises an epidermal layer regularly connected through a connecting rod to form a net structure, and an elastic supporting inner layer arranged in the epidermal layer and composed of a 3D printing lattice; the surface layer and the elastic supporting inner layer are integrally formed; the fitting part comprises a neck fitting area and a neck supporting area, the neck fitting area is connected with the bearing part, and the neck fitting area extends towards the bottom to form an arc-shaped protrusion to form the neck supporting area. Compared with the prior art, the neck guard is formed through the 3D printing lattice and the net structure, and the neck guard has good air permeability and is very light and convenient to carry; the neck supporting area makes contact with the front ches