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So I was messing with Subsurf modifier to create a certain sword and then some weird artifacts began to appear (cape-like). I've tried adjusting the Crease, but couldn't achive what I wanted. Basicly, what I whant is the as on the screens, but wo any artifacts :) enter image description here enter image description here Also, here's the .blend file, cause I assume I didn't make myselt 100% clear. https://drive.google.com/file/d/0B0hdCv37NrtVMXU4eFB2MFFlMGM/edit?usp=sharing

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You have some non-manifold geometry in your mesh.

enter image description here

There is a large ngon overlapping the other polygons.

enter image description here

Here is how to fix it:

  1. Select the large ngons

    • you can either do this manually which is faster in this case since there are only 2 ngons or you could use a selection tool.

    • Select -> Select Faces by sides: greater than 4

  2. Delete them: x -> Faces (3)

  3. Select all geometry in the mesh: A

  4. now to fix the holes: Mesh -> Clean Up -> Fill Holes

    enter image description here

This fixes part of your problem. The other problem is the creasing. To fix this I would either use edge loops instead of creases or crease all continuous parts of the mesh rather than just single edges.

enter image description here

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  • $\begingroup$ yeah, I should've found those ngons myself, thanx for the answer :) didn't quite solve the problem with the capes above, but I think I'll just mess with the topology (because creases also didn't have any affect) $\endgroup$ – bowlingforsoap Mar 16 '14 at 19:52

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