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Each time I make an edit to my cloth in blender 2.9, it will sew together just fine and lay on my character mesh. After running the animation through once, it starts to shake and go through the mesh. Does anyone know how to fix this? enter image description here

Edit 9/14: I found these weird lines in edit mode that were sewing the end to the thickness modifier. I then disabled the thickness modifier and the lines went away.

Extra sewing lines with thickness modifier:

No more extra lines without it:

enter image description here

I took away the thickness modifier and then played the animation but it still wen through the mesh.

I looked at it from the side and it looked like this: https://drive.google.com/file/d/1XBwliFJtRSeqXAr41OiIiB2juPFqnjmG/view

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Try increasing the quality steps. Sometimes if you have the steps set too low they clip through each other. If that doesn't work take a look at your cloth thickness, it may be too thin.

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  • $\begingroup$ When I bumped up the quality steps to 8 (they were 5 before) and I bumped up the thickness to 0.02 (was 0.01 before) It appeared to go less through the mesh. should I just keep bumping it up until it stops? $\endgroup$ Sep 10 '20 at 14:57
  • $\begingroup$ Then I bumped it up to 20 and it started to spike out through the mesh. $\endgroup$ Sep 10 '20 at 14:59
  • $\begingroup$ You might want to try scaling everything up. the cloth might be too thin to work properly in the physics engine. You can get some weird results when you work with super small values like that. For reference 1 blender unit in 3d printing translates to 1 mm real life. $\endgroup$
    – Michael
    Sep 11 '20 at 21:07
  • $\begingroup$ What did you mean by scaling it up? I scaled up the thickness to .1 and it still went through the mesh like that. It is really weird. $\endgroup$ Sep 14 '20 at 14:35
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For some weird reason, it all of a sudden started to work again so I guess that fixes the problem. I am not sure why it fixed but it did so yay!

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  • $\begingroup$ You don't by chance know what you did to fix it would you? Like what were the last couple things you did? $\endgroup$
    – Michael
    Sep 14 '20 at 22:46
  • $\begingroup$ I think I changed the thickness up to 0.1 but I think that is it. I would like to change the thickness back down because the clothes aren't supposed to be that thick but I am afraid I might mess it up. $\endgroup$ Sep 15 '20 at 17:00
  • $\begingroup$ So if you look at my answer again I said that you should consider scaling everything up meaning that you can keep the relative thickness of the shirt. Scale both the body and the cloth to be larger so that the cloth thickness is 0.1. Also, try to select the answer that helped you solve your problem as the answer so that other people with the same question can see what helped. $\endgroup$
    – Michael
    Sep 15 '20 at 20:47

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