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AlOOX

Curvy Object UV

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Hi there. I've been trying to UV a curvy object but i can't make it looks right.
Can someone help me with UVing this ?

Curve.thumb.png.f813db69c83a0ec0fdafc7cda93bc774.png

CurvyObject.c4d

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I can, just as soon as I finish my client work for the day. Presumably someone will have beaten me to it by then, but if not, I will show you later tonight...

 

CBR

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This is one way, in which we map the backside as a separate island but wrap the front contiguously with the rim...

 

image.thumb.png.7a0096e7ad7c0b6789824728f3ffe64e.png

 

The disadvantage here is obviously the distortion at both ends of the wrapped section because we haven't allowed the corners to separate there, but it may be more what you want than other methods...

 

image.thumb.png.ca2c17be2f56ab88c6f4f15e2073d0c5.png

 

OR we can project front, back and rim as separate islands, where there will be zero distortion, but obviously no continuity between front, back and rim...

 

I will show you perhaps the ideal compromise in the next post...

 

CBR

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This is what we need to cut during the relax stage for distortion free results whilst also preserving the contiguous front>rim mapping.

 

1985461796_unwrapthis.thumb.jpg.6946e01b7bc5dee6fe91ff530f793830.jpg

 

image.thumb.png.2b92e4347b665721ca08e583645ef4a2.png

 

The small amount of distortion remaining here is not UV distortion - it's SDS boundary distortion, combined with (forgive me) a rather sloppily modelled object where distances between rim / bevel polys are a bit too inconsistent. I would have to alter the geo to  correct this, so haven't done so here.

 

CBR

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UV´s are dependent sometimes on image what you want to apply on it (if it´s not  some painted. Or where you want cut UV´s, where can be seam etc...

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thanks for your help @Cerbera, i corrected my geometry and tried to make a UV like what you made, but i got distortions again.
After some unpackings i got this result :

UV.thumb.png.c1cb9a768c55dfc09cc72bbe7a0dff1c.png

What do you think about this UV ? is it bad to have this many islands for a simple object like this ?

 

Edit: Yes, it's a bad idea... I can't get it right, i'm going crazy!
Can you send the project so i can look it up?

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3 hours ago, AlOOX said:

What do you think about this UV ? is it bad to have this many islands for a simple object like this ?

Yes that is very much not the answer here. We don't want all those different unconnected pieces.

 

I can give you my scene of course, but it won't show you how it was done...

 

CurvyObject cbr.c4d

 

Fortunately, these little videos I have made you does show the 'how' bit...

 

First, fixing the model (optional)
 

 

and then the UV bit...

 

 

CBR

 

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@Cerbera You are the BEST !
I appreciate the time you've taken to make these tutorials

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