[Gmsh] Creating patches at boundaries of an stl file

[Viraj Belekar]

Dear all,

I have a .stl file of a blood vessel which is opened at ends(kept
intentionally). Now I want to close these ends and define them
independently as different Physical Surfaces. How do I do this? Please
help. Please find the attached file. You can see 5 open ends. I want one of
the as inlet and the rest 4 outlets. Thanks


Best Regards
Viraj Belekar
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