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enter image description here

In the image you can see sharp edges, this problem was originated because I subdivided (Key "W" then Subdivide) the selected faces with a subsurface modifier of 4 subdivisions.

How do I make these sharp edges convert into round edges like a "Normal" subsurface modifier? Or like the edges of a cylynder/sphere.

NOTE: I need a lot of polygons-vertices because I have a "displace modifier", maybe you can help me find a way for displace modifier (With not a lot of polygons) instead of resolving this one.

I have tried with:

  1. Smooth modifier, result is good on another mesh but with an error too, but in this one isn't working as I expect.

  2. Smooth tools. It's quite good for my displacement modifier but it doesn't resolve the sharp edges.

EDIT:

  1. Doesn't work with Subdivide Smooth too.

EDIT2:

enter image description here

What I want is everything marked with the red circle (The sharp/hard edges) turn into soft edges like the surface of a cylinder.

The problem is that I requires subdivide and the subsurface modifier because of the displace modifier (I need a lot of polygons).

Thanks for the answer.

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  • $\begingroup$ Can you add your ref image of what you are expecting? $\endgroup$
    – Yash
    Feb 13, 2019 at 7:18
  • $\begingroup$ If Subdivide Smooth doesn't work, that suggests that there is varying density in the longitudinal edges, or they have a Crease value. Perhaps we can see your topology? $\endgroup$
    – Robin Betts ♦
    Feb 13, 2019 at 9:56
  • $\begingroup$ Thanks for the comment, just added an image in the post. $\endgroup$
    – ElLoco
    Feb 13, 2019 at 15:41
  • $\begingroup$ Anyone please?? $\endgroup$
    – ElLoco
    Feb 14, 2019 at 3:09

2 Answers 2

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Simplify the base mesh

You can start with a very simple object and give it one Subdivision Surface modifier to smooth the shape.

enter image description here

Build the extra geometry with modifiers

Below the first modifier, you can add a second set to Simple to generate more geometry without affecting the overall shape.

enter image description here

Displacement works as usual.

enter image description here

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Remove unnecessary edges(follow this instruction) after that you could add your modifier

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  • $\begingroup$ Everything is necessary... for my displace modifier. I also followed the instruction, removing some edges but it seems that it doesn't work well if I don't remove more vertices, but that is the problem, I need the polygons for the displace modifier. $\endgroup$
    – ElLoco
    Feb 13, 2019 at 18:10
  • $\begingroup$ Instead, use simplified geometry and one subdivision modifier set to catmull-clark, and then another subdivision modifier set to simple for the additional geometry. $\endgroup$
    – Allen Simpson
    Dec 8, 2021 at 17:26

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