No, sorry. The normal map was baked in Substance 3D Painter. The model also wasn't flipped during symmetry as it was modeled roughly off of a default torus. No, the shaded model also shows the seam. https://i.gyazo.com/6db34e9a6d856c34c3a432c07736bb31.png Thank you, I'll take a look at the article and reply back.