Marc Wiemers wrote: > > Dear Gmsh developer, > > is there a posibility to mirror a surface and when then what i have > to do? Yes, you can use the Geometry->Elementary->Add->Symmetry->Surface menu for this. Beware, this is still quite untested... Christophe -- Christophe Geuzaine Tel: 32 (0) 4 366 37 10 http://geuz.org Fax: 32 (0) 4 366 29 10 mailto:Christophe.Geuzaine at ulg.ac.be