How to repair edge for Blending?

Have BlendEdge on several holes of model but the attached shows an edge that is in two pieces and will not blend. How to repair?willnotblend

Hello - MergeEdge may help, depending on the situation. Also, BlendSrf will allow edge chaining (command line option).

-Pascal

Hello - that is an stl file…

-Pascal

My apologytriLegHub.3dm (4.6 MB) !

There is a very short 3rd edge at the right side. With other words, the circle hole has 3 edges. You have to use “Chain edges” and either manually pick it or use the autochain option. Once you pick the 3 edges, “Blend edge” works perfectly. :slight_smile:

3rd%20edge

Yes-Thank you very much