lofting between curves

Is anyone able to help me figure out how I loft between these two curves? I've tried flattening them and a few tutorials online but not getting very far - I'm trying to create a thin ribbon effect. any help would be greatly appreciated. 

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    Vicente Soler

    Try the ruled surface component.

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      David Merlin

      This is a data matching issue.  There are two sets of three curves, so corresponding curves need to be on their own branch for the loft.  This can be accomplished using graft.

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