In response to the challenges of assembly methods for existing sandwich panels, the team at Harper Engineering Co. has introduced its own panel fastening system. Our panel fastening system includes a family of unique inserts that could be custom made to fit any panel thickness, curvature, and mating angle resulting in limitless panel joint configurations. In addition to limitless configurations, we are proud to bring the efficiency of the furniture-in-a-box industry to aerospace. This approach eliminates the need for fixtures or adhesives during assembly, allowing to pre-finish panel components and ship them in a flat-pack format. Allowing for a decreased rework cost associated with separating bonded panel assemblies.