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Unwrap cylinder cap to rectangle

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Hello! I'm trying to unwrap a simple round cap to a rectangle, to help facilitate the texturing of concentric circles in Substance Painter.


Right now, I'm unwrapping it by hand and making my own rectangle map, but is there a way to do this more easily?


Here's my current method : 

  • Making a front projection to have a perfect circle
  • Select 1/4 of the cap's outline edge
  • Select an horizontal edge from the middle
  • Relax the UVs (this gives a sort of looping curve)
  • Separate 4 individual UV island
  • I put them side by side and start aligning the points


This method is rather time consuming and I was wondering if there was a better way to select edge loops to minimize the fiddling around.


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Not sure if is in your current version, but check with commander (Shift+C) UV Peeler command.

With this command it is just few clicks solution...

I can create short video if you want.

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  • Topic Author
  • Wow... This is awesome! Never noticed this feature, real time saver!


    Thanks a lot!

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    6 hours ago, bezo said:

    How the heck is that thing not in the standard unwrapping interface? I didn't even know this existed...

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