How to createdegree 1 NURBS curves from selected mesh boundaries.

1. Choose Mesh > Mesh Curves > Mesh Boundaries.
2. Select a mesh

   All the mesh boundaries are highlighted in green.

   
3. Do one of the following:
   • Click on the boundary or boundaries you want to extract (they turn yellow), then press the Extract button at the bottom of the window.
   • Press the Extract All button at the bottom of the window to extract all boundaries.
     

   One or more degree 1 NURBS curves are created and overlap the boundaries of the mesh.