nafems_case repo

nafems4.md

@@ -1348,6 +1348,9 @@ divert(0)
    
  * A ready-to-play-with CAEplex case with the modal problem
    - <https://caeplex.com/project/results.php?id=42180c3>
+   
+ * A Git repository with the CAD files, input files and scripts needed to reproduce all the results discussed in the text using the free and open source tools [Gmsh](http://gmsh.info/) and [Fino](https://www.seamplex.com/fino/)
+   - <https://github.com/seamplex/nafems_case>
 
 See <https://www.seamplex.com/nafems> for new material, updated links and the full version of this case with many more details about the case and the associated mathematics.