Hi, What i did was, after setting the points, i used vtkCellArray to create lines to join the points. Afterwhich, i also generated tubes around the lines using vtkTubeFilter. Ashley -- View this message in context: http://www.nabble.com/Show-Function-in-VTK-t1348139.html#a3626494 Sent from the VTK - Users forum at Nabble.com.