Hi, here is the example file which causes the streamlines plugin to crash. I am using gmsh V2.4.2. Andreas -------------- next part -------------- A non-text attachment was scrubbed... Name: gmsh.msh.gz Type: application/x-gzip Size: 2543111 bytes Desc: not available URL: <http://www.geuz.org/pipermail/gmsh/attachments/20091216/2ef32587/attachment.gz>