sentences:  The design of the artifact known as the "Bush Barrow Lozenge", and the smaller lozenge, has been shown to be based on a hexagon construction.Both the shape and the decorative panels appear to have been created by repeating hexagons within a series of three concentric circles (each framing the series of smaller decorative panels).The precision and accuracy displayed by the work demonstrates both a sophisticated tool kit and a sound knowledge of geometric form.