How can I select just the outer edges? I have tried several things without success. I need to delete/dissolve the outer edges ,but this needs to be done with code.

Outer Edges

  • $\begingroup$ Can you clarify .. by outer edges => boundary edges eg all edges of a simple plane? $\endgroup$
    – batFINGER
    Jan 18, 2019 at 14:27
  • $\begingroup$ I thought I had this solved in a weird and long way ,but it fails sometimes. Yeah, I think I’m talking about boundary edges. You can see there’s 4 sets of lines which makes a continuous loop . I need to select just the outer ones. $\endgroup$
    – AFWS
    Jan 23, 2019 at 10:40


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