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I have marked a seam around the entire border of a surface and when unwrapping I'm seeing odd distortion and scaling issues.

I've recorded my mesh to show the issue.

As you can see, there is distortion in the middle of the face and a scaling error in the bottom right "leg".

I have averaged and packed the UV. Does anyone have any idea what could be causing this? Thank you.

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  • $\begingroup$ To accurately tell, what's wrong .blend file or image of UV layout in UV/Image editor would be needed. $\endgroup$
    – Mzidare
    Nov 21, 2016 at 12:19

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To get a nearly undistorted UV, the modeling topology should be made by even quads, with every pole made only of 4 edges (5 and 3 where strictly necessary), which is not your case. Anyway, as the surface is flat, you can set the 3D view in a front ortographic perspective, select all the faces of the flat surface and press U "Project from view" and you will get an undistorted UV. Then you can select all the UV islands in the UV editor and average and pack everything.

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  • $\begingroup$ Thank you, projecting the flat surface gives me a perfect UV map! $\endgroup$ Nov 21, 2016 at 13:02

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