I am making the Blender Guru donuts. I noticed this edge of this reddish color after putting subdivision surface on the donuts icing. It's not seam cause I can't remove it with U -> Clear seam.

the reddish edge What is it and how do I remove it?

  • $\begingroup$ Ok, now I noticed that the red edge is present in the tutorial itself, but what is it? $\endgroup$
    – forest
    Commented Aug 6, 2020 at 16:23

1 Answer 1


I guess it's the Crease, select this edge loop, open the N panel > Item > Edge Data and bring back the Crease to zero, or select, ShiftE and drag. It is used to sharp angles.

  • $\begingroup$ Will keeping it be right for uv unwrapping? $\endgroup$
    – forest
    Commented Aug 6, 2020 at 17:06
  • 1
    $\begingroup$ yes no problem, also, if you want a sharp edge but don't want to use crease, create additional edges close to the one you want to sharp $\endgroup$
    – moonboots
    Commented Aug 6, 2020 at 17:08
  • $\begingroup$ Now I understand. Thanks mate. $\endgroup$
    – forest
    Commented Aug 6, 2020 at 17:12

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