US Patent 10207838 Cornerpost support

A packaging insert formed from a one-piece blank including a main body panel having opposing first and second longitudinal edges and opposing first and second lateral edges. The folded blank further includes a pair of column panels, each column panel including a first side panel, a front panel, a second side panel, and an overlap tab connected to the lateral edges of the main body panel in series at first, second, third, and fourth lateral score lines. The front panel of each column panel is folded about a respective second lateral score line with the overlap tab overlapping and attached to the main body panel. Each column panel can be erected to form a rectangular column adjacent to each of the lateral edges of the main body panel.