Blender Principled BSDF, IOR value of a material is not exported to BabylonJS

So I have a glb file provided by 3D designer with one of a material with the configuration above, so the problem now I have from my designer is that the IOR value in subsurface is not exported and the value is remaining at 1 as the image below

I’m not sure what is the step missing for exporting the IOR value as the other parameters are being exported correctly

If you are using 2.93, a blender export addon for KHR_materials_ior is need, there is one for that but it is still in PR.


Hi, thanks for the reply! I’m not sure what version he is using yet, going to find out soon. But, what if my designer is using the latest Blender? Blender 3.2.1, would it solve the issue?

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It will as BJS has supported KHR_materials_ior, but I’ve no idea if there is a done addon for 3.2.1. You know the APIs are different.

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metallic IOR value can finally be exported in Blender 3.3 alpha, unfortunately Subsurface import/export is not supported