Sorry. I tried FeatureEdge. It is not what I want. Thank you all the same:) http://vtk.1045678.n5.nabble.com/file/n5140252/edge.jpg -- View this message in context: http://vtk.1045678.n5.nabble.com/Show-contour-of-polydata-in-3D-view-tp5138924p5140252.html Sent from the VTK - Users mailing list archive at Nabble.com.