I've made car model. I want to unwrap some details mesh. I've marked seams on all required (I think so) faces/places. Its my first so big model and unwrapping of so many faces. The result is strange:
It's my .blend file:
.blend file hyperlink
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$\begingroup$ I wouldn't perhaps expect a window or windshield of a car to use the same texture as a chrome bumper or a license plate. If this were my model, I would select, for example, just the faces of the bumper, then unwrap those. You can then easily adjust the UVs over your chosen texture. Once finished, deselect those and select others, like only the grill, or only the headlight, then repeat. $\endgroup$– Mike MetcalfCommented Dec 16, 2016 at 20:46
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$\begingroup$ @Metcalf I will use metalness and roughness map, I want one texture to details, one for interior, one for chassis and one for wheels. $\endgroup$– patrykbajosCommented Dec 16, 2016 at 21:10
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1 Answer
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You have somehow managed to Pin some of the unwrapped vertices. That’s the red dots that appear in the UV editor. They are not really showing in the image you posted but show up in the .blend file you provided.
What you need to do is Unpin them and then UV unwrap again.
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$\begingroup$ For what is used pin and unpin? What does this mean? $\endgroup$ Commented Dec 16, 2016 at 21:12
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1$\begingroup$ Check out Pin and Unpin in the Blender manuel here : blender.org/manual/editors/uv_image/uv_editing/… $\endgroup$ Commented Dec 16, 2016 at 21:27