Seams and jagged edges after mesh map bake

Question

After importing and mesh map baking this FBX, the Ambient Occlusion mesh map has jagged edges on hard edges where there are no seams. The mesh is practically all rectangular boxes (a wooden shack made of planks). If I'm to eliminate all the jagged edges, should I be adding a seam to almost all of them? That seems excessive, as there'll be a lot more islands and the texel density will be lowered? The horizontal mesh across the door has no backface, so I haven't added seams to the long edge, only the corners.

Cyril Dellenbach · Answer

Hello @RIch3174,

Thank you for the message.

Indeed, the Hard Edges should have a seam to avoid this kind of artifact. In fact, this is clearly visible in the screenshots you sent.

As you mentionned, adding seams will decrease a little the texel density, but to be honest, it shouldn't be too visible as long as you don't have a big margin.

Regards,

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