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I'm making a piece of armor to use a game in a game engine and I've been generating by own custom seamless textures to come up with a pattern. I'm trying to create a gambeson, and thus I need a quilted like pattern very much like this:

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However, no matter how I unwrap my model, I'm constantly getting seams or the UV's just seem to stretch for some reason. I've also tried using UV Squares addon but that doesn't seem to help much either.

Here are some of the problems:

enter image description here enter image description here enter image description here

Can someone tell me what it is I'm doing wrong? I just can't seem to figure it out.

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  • $\begingroup$ I have made a start but ......... now other things to do this evening. Check in again tomorrow and I should have an answer for you :) $\endgroup$
    – 3fingeredfrog
    Jan 30, 2020 at 19:57

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Seams are a very real part of most clothing items.

The main thing wrong with your UV's is their alignment.

Basically you need to add seams where they would be on a similar real world piece of clothing. I added vertical seam from under the armpits to the waist.

enter image description here

Unwrap and rotate the UV islands so that they are correctly aligned with the texture. Then straighten (align to X to Y) edges where ever it makes sense to do so. Pin these straightened P edges, so they don't move and Unwrap a second time.

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The rest is tweaking here and there, with one eye in the 3D editor to see if it is an improvement or not. To check for stretching sometimes it helps to switch to have a UV grid on the model. Other times (but I find a little less useful), is to enable the Stretching Overlay in the UV Editor.

enter image description here

To re leave some of the stretching in the original sleeves unwrap I added a seam close to the top of the arm then unwrapped a second time. Moved the two islands close together then tweaked the vertices along the seam to align the up together again then used the Weld tool (UV Editor) to weld the two edges back together again.

The result is not perfect by any means... more time and more tweaking :)

enter image description here

Doing this has reminded me about the UV Magic addon that ships with Blender. I haven't used it yet but there appears to be some very useful tools included. Checkout the UV Sculpt tool, illustrated in this Video at 8:20 https://www.youtube.com/watch?time_continue=533&v=BKZX3Xac7X4&feature=emb_logo )

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  • $\begingroup$ Oh, man, such a thorough answer! Let me just bookmark this for future reference... $\endgroup$
    – jachym michal
    Jan 31, 2020 at 23:00
  • $\begingroup$ :) ..........for the next time you have need to create a gambeson model ? lol $\endgroup$
    – 3fingeredfrog
    Jan 31, 2020 at 23:06
  • $\begingroup$ Well, some fashion trends never fade away :). Shad would be proud. $\endgroup$
    – jachym michal
    Jan 31, 2020 at 23:27
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    $\begingroup$ Thanks to Shad I think I can now consider myself a world authority on medieval Gambesons. $\endgroup$
    – 3fingeredfrog
    Feb 1, 2020 at 10:37
  • $\begingroup$ Thank you for the answer! I was able to fix all my UV problems! $\endgroup$
    – user15147
    Feb 2, 2020 at 0:27

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