i'm baking normal map... with or without the ao diffuse it looks the same... actually just the ao looks ok no seams, but when i enable the normal the seams appear... yes i have offset'ed the symmetrical faces. only the selected faces are in the main uv space...
You will always get very slight seams. Even if everything is perfect. Will the player be able to see that piece from this close? I don't think. If you would view your model from a reasonable distance, I'm sure you wouldnt notice any seam. I would not symmetry it to give less chance for seams, and because it doesn't take…