Workflow Substance -> Sketchfab wrong Normals

I noticed that there is something wrong with the baked normal maps when exporting to Sketchfab. So I baked a simple box with soft edges with a hi poly box with sharp corners.

This is what the model looks like in Substance:

This is what the model looks like in Sketchfab (using Sketchfab preset):

I can’t find any information on whether or not Sketchfab generates the tangents and binormals using the Mikkt tangent space method. It might have something to do with the issue.

Hi Jens. We reprocessed the normals on your upload and everything should display correctly now. Can you verify that everything looks right now?

See: Normal map texture compression problems