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I recently started using Blender and made my first character model, after that, I retopologized the model to make it low-poly for games. Now I want to smooth polygon edges of my low-poly model and so I found out that I can fake smooth edges with normal maps. I've baked the normal map from the high poly model but the edges on the low-poly model are still sharp.
High-poly:
High-poly
Low-poly:
High-poly
Normal map:
Normal map
Low-poly with normal map:
Low-poly with normal map

What am I doing wrong?

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  • $\begingroup$ Can you share your node group please? $\endgroup$
    – Rug
    Commented Apr 11, 2020 at 17:12

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I think your low poly mesh does not have smooth shading enabled. You can enable it again by selecting your low-poly mesh, then pressing W -> Shade Smooth or going to Object -> Shade Smooth.

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  • $\begingroup$ Yeah, I know but how do I "shade smooth" in other software, for example in a game engine? I thought this "smooth" info is stored in the normal map. $\endgroup$
    – Flone
    Commented Apr 11, 2020 at 17:15
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    $\begingroup$ Oh i get it, this 'shade smooth' info is stored in the fbx file. Haha, so stupid. :D $\endgroup$
    – Flone
    Commented Apr 11, 2020 at 17:21

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