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Showing all 3 replies.
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>>1026538
i havent tried it. it seems possible, but also a lot of work, but if you're comitted to the idea...
>i could just draw seam allowances by hand), and im not sure if thats possible out of the box with blender.
tab to go to edit mode, click to select edges, pick the ones you want, right click, then mark as seam
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>>1026543
marking seams is a uv thing which im familiar with from doing texturing. seam allowances are a sewing thing. they are an excess of material past the point where seams are sewed together to give the material enough strength to not fray, or to allow surging or overlock stitching. generally youll give maybe a1/4-1/2 inch of seam allowance depending ont he material or the type of seam youre sewing.

my main concern is being abe to turn the surface of a 3d model into a planar surface without distortion. im stupid and the correct term is homeomorphism. i need to preserve the area of the model when unwrapping it.
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>>1026544
Export the UV map with a margin?

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