Generate , export and apply texture charts in Jitter

Hello,

I would like to create textures in photoshop and apply the textures to complex polygons generated in Jitter, so the texture texels are mapped to the correct vertex. So I need to generate an "image of the unfolded patch" . ( mesh)
Then I need to now how to assign the texture to the correct vertex. Please , see the attached image and you will understand what I mean. Firs of all : Is it possible in Jitter to export the unfolded image from a mesh ?

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