Selecting just SubD outer edge? (like 'DupEdge' rhino command)

Grasshopper
1

Im trying to get just the outer edge/curve in grasshopper.
how do i do that?

image
image1315×461 66.6 KB

2

Hi,

The Naked Edges output of Brep Edges seems to work on SubD.

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3

Canvas at 15;49;30
Canvas at 15;49;301183×793 99.6 KB

subd bounds.gh (13.9 KB)

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