How to uv unwrap a curved pipe? I've been searching for an answer for how to unwrap curved objects (pipes specifically) in blender.  Youtube throws out tones on how to do it in maya but nothing about it in blender.  If I unwrap this ring with a cap on either side and a seam straight dow, the uv island is really pinched on one side.  Any help?

The other question How to uv-unwrap a complex bent object? didnt exactly help massively.
Final:




Overview:

Seems:

This is how I have placed them, not ideal. Seem should be marked along middle edge for a better result. Just count them and select right one.



Unwrapping:

Use my answer from here and don't skip any step. This is crucial.

https://blender.stackexchange.com/a/78362/29370 

Correcting UV:

Now you should have nice straight UV map.


Select middle edge (or edges).





Turn on Proportional Editing and change Falloff type to Linear.





Move selected edges on X axis to minimise stretching. Don't forget to use Falloff scale - MouseWheel.