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      Issue with Multi-Material Sub-Materials with Occlusion texture

      Issue with Multi-Material Sub-Materials when an Occlusion texture is applied to the opacity.

      Issue

      Library models created in KeyShot 2023.3 have an issue with Multi-Material Sub-Materials when an Occlusion texture is applied to the opacity.

      The Occlusion connected to a sub-material as an opacity map is broken in 2023.3 and 2024.1 specifically if the model was created in KeyShot 2023. If the model is created in 2024, it works fine.  

      Environment Details

      • KeyShot
        • 2023.3

      Workaround

      Assigning a new identical material fixes the issue in both KeyShot 2023 and KeyShot 2024