PATH' }),
                      new go.Shape({
                        geometryString: 'M0 0 V16',
                        alignmentFocus: go.Spot.Center,
                        stroke: 'gray'
                      }),
                      new go.Shape({
                        geometryString: 'M0 0 V20',
                        alignmentFocus: go.Spot.Center,
                        interval: 5,
                        strokeWidth: 1.5
                      })
                    ),
                  new