You can go to a guitar website and find the exact make and model of Rickenbacker, then download the jpg of the guitar and cut and paste the various parts to the template.   Or you can just paint them the approximate  color.  It looks like the geometry is off on the guitar template on the right.  Did you use UV Mapper Pro with the texture checker to make sure the objects on the template were proportioned correctly?  Or are you using UV Mapper Classic?

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