Contents Part II: Mesh Tutorials | Chapter 2: Introduction to Element Editing | Print page 2.13. Merge Duplicate NodesClick FEM > Element Tools > Duplicate Nodes.Set Tolerance=0.0001.Activate Show Free Edges.Click Show Dup. Nodes.Click Merge Dup. Nodes.Click Accept.Click Done. « 2.12. Reflect Elements Chapter 3: Introduction to Curves and Surfaces »