Merge Overlapping Edges

Hi,
I created a pipe shape by integrating various pieces. Now I want to join the overlapping edges. How can I do this? Please help.

Please check the attachment for clarification.

Thanks
-Anand

Attachments: 
H Klene's picture

Your are searching for a "seam", an edge shared between multiple shapes.

Maybe this could help: http://opencascade.blogspot.com/2009/02/topology-and-geometry-in-open-ca...