# \#roughness

**URL:** https://discourse.threejs.org/tag/roughness/1323.md

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## [Material ignoring specific light source?](https://discourse.threejs.org/t/material-ignoring-specific-light-source/43747)

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**Author:** [@skkyzss](https://discourse.threejs.org/u/skkyzss)\
**Replies:** 4\
**Last updated:** [October 18, 2022, 7:57am UTC](https://discourse.threejs.org/t/material-ignoring-specific-light-source/43747 "2022-10-18T07:57:57Z")

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Hello! I’m creating a scene with multiple point lights to light up my scene, with an FBX model loaded in the middle that uses a MeshStandardMaterial. Right now, the three different lights used to collective light up the…

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## [GLTF Model roughness/metalness does not work](https://discourse.threejs.org/t/gltf-model-roughness-metalness-does-not-work/43224)

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**Author:** [@Kemura](https://discourse.threejs.org/u/Kemura)\
**Replies:** 2\
**Last updated:** [October 5, 2022, 2:58pm UTC](https://discourse.threejs.org/t/gltf-model-roughness-metalness-does-not-work/43224 "2022-10-05T14:58:04Z")

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Hello, I have a GLTF model that does not look as it should when I import it into my threejs project. Below you can see three attached videos of the model showcased on different platforms \[BLENDER\] \[THREEJ…