Dear All, I want to generate a 3D mesh for two overlapping spheres. How can I combine these two spheres as one single object (as a union), and generate the mesh? Please let me know, thank you very much. best, Luo -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.geuz.org/pipermail/gmsh/attachments/20130326/3d3c425e/attachment.html>