On March 15, 2019, the US Air Force Research Laboratory (AFRL), in collaboration with the University of Arkansas and the University of Miami, developed a 3D carbon fiber / epoxy composite material and developed a customized direct inkjet 3D printing device that can be used for processing aviation Short-fiber epoxy resin composite structural parts in the aerospace field. The development of this material provides technical support for the manufacturing of next-generation multifunctional unmanned aerial vehicle structural parts.