sweetsorrowsims This tutorial is mostly informative about the uv_1 and what it does. While you can always try to mark the seams and match the template given here it might be complicated for some meshes. There's a tutorial by Eliavah that shows a way to work the Uv_1 that is more convenient that marking the seams. Check it HERE.
Please do not PM me to help you with your creating problems. You can post in the Creators Help so everyone can see the problem and solution.
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