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Hello Everyone, I have a problem in Blender, I hope you can help me. Since I can not attach video files here, I am attaching a link for Reddit post (I hope it isn't against the rules) where I asked the same question in a Blender subredit, unfortunately there is no reply. In the link there is the video where I replicated the problem to show: https://www.reddit.com/r/blenderhelp/comments/ls4lxx/new_materials_messing_my_uv_unwrap_more_in_the/ I have modelled this shoe, then I unwrapped it as seen in the screen. Then I added a material and it works ok. Then I decided to try an other material, modified the Texture Coordinate scales in the nodes and I saw a weird seem forming on the nose part when there was none when I had used the grid for the UV Unwrap. Even tho in the video I didn’t have the uv grid on, but you can see that the pattern of the previous texture is woking nicely. So out of curiosity I checked my UV Unwrap and I saw that it is messed up. Why is it happening? How can I prevent this from happening? Yes I can always re unwrap it to fix, but as you may see, i pinned the vertexes, aligned all the side vertexes edge by edge to have a better unwrap, so I'd love it if i can prevent this from happening to avoid having to redo and fix the unwrap after each material change. Thank you!

Anyone else know why this happens. Example: Large mesh plane, divided into 4 equal texture faces. When camera draws out a thick black line shows on the joining edges. In the photo attached, the black line shows at all distances. So my real question is about unwrapping in Blender. Is it better to always leave a margin? In the below example there was no margin when unwrapping the 4 individual faces on the floor.

Hello! How does unwrapping and the number of faces affect LI? I noticed that the same model with a different UV and the number of faces has a different LI. why is this happening and how to save resources on this?

Hi, me again. Small issue, last one, promise. Ha, I know how to unwrap, but, this struck me as odd. When i unwrapped my object I got a square, with a circle in it. This also happens on basic cubes when spawned in, not sure how to fix this issue. Thanks for any help in advance