You're looking at two totally different grain patterns on those woods. I guarantee with 99% certainty that there is a veneer on that top(which you have now sanded through). I assume the company put the veneer on all of that model, whether it was to be painted or not, for ease of production. Veneer doesn't have to be an exotic, figured wood.
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i'm beginning to see what you mean..so the top flat areas of the body are the areas that are veneered,and the contoured areas are the body wood itself, and thats the reason for the weird outline?
if that's the case sanding the rest of the veneer off should get rid of the lines right?
i was actually thinking of putting a new veneer on,but the contours i have on the guitar would make that a rather daunting option and i would rather not go down that road, i'm intending to use this as a backup guitar..after all,the body only cost me the equivalent of US$60 heh.
the idea i have for semi-hiding the epoxy lines would be to scrape out some of the epoxy and fill it with wood filler,it probably wont get rid of the line entirely but it would be less obvious i guess.