Bad smoothing in render after geograft merge

[Jason Weise]

I have noticed that after merging a genital geograft that the model seems to have what appears to be flat surfaces on the leg and groin area.

You can see this in the attached image though I have maintained the ladies dignity with a nice bright yellow star, you can see the issue particulairly in the red circled areas.

This is happening with the latest Bitbucket repo and all standard HD import settings and is a G8.1 female character.

I get no errors on import, though I have deleted the normal resolution mesh as I don’t need it.

Any suggestions on why this might be happening?

PS. This is happening with a Cycles (BSDF) and Evee (Principled) render

Thanks in advance

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[Jason Weise]

A bit more info here..

Sorry I might have been misleading the advice on this problem.

I don’t even need to merge the geograft, the flat rendered faces appear regardless after purely just importing from a HD export from Daz Studio.

So, import HD export, delete the collection with the base mesh so just the HD remains… render

[Thomas Larsson]

Hm. I cannot reproduce this problem. Did you change to flat shading perhaps?

[Jason Weise]

Hey Thomas, nope just HD exported from Daz, then imported to Blender (I even tried Easy Import), deleted the base mesh and render.. literally that is it.
I might try uninstalling and reinstalled to see if that helps

[Jason Weise]

Not sure what is causing this but it seems to happen randomly on different HD characters.

Instead of leaving this open i will just close this as I don’t think there is much that can be done as I don’t even really know if it is this importer that is causing it.

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[Jason Weise]

Not sure what is causing this but it seems to happen randomly on different HD characters.

Instead of leaving this open i will just close this as I don’t think there is much that can be done as I don’t even really know if it is this importer that is causing it.

[Xin]

Check auto smooth settings in “object data properties”, and delete any custom split normals data that might exist (in geometry data).

Also check face orientation in viewport overlay settings.

Also check UVs.