     })
                .bind('stroke', 'color'),
              new go.Panel('Spot')
                .add(
                  applyCommonScaleBindings(
                    new go.Panel('Graduated', {
                      name: 'SCALE',
                      margin: 14,
                      graduatedTickUnit: 2.5, // tick marks at each multiple of 2.5
                      stretch: go.Stretch.None // needed to avoid unnecessary re-measuring!!!
                    })
                  )
                    .