Stranges lines from Hdr and PBRMetallicRoughnessMaterial

Hello , for my project i am using a Hdr and PBRMetallicRoughnessMaterial , but i have some lines that destroy the result , and i use those paremetres :

var a105= monmesh[105];
var a105m = new BABYLON.PBRMetallicRoughnessMaterial(“a27m”, scene);
a105m.baseTexture = new BABYLON.Texture("./tex/105.jpg", scene);
a105m.metallic = 0;
a105m.roughness = 1;
a105.material = a105m;

var hdrTexture = new BABYLON.HDRCubeTexture("./tex/hdr10.hdr", scene, 256);
hdrTexture.gammaSpace = true;
scene.environmentTexture = hdrTexture;

Thanks !

Any help please ?

You should provide a PG, it will be easier for people to help you.

Also, it’s the week-end, so it may take more time to get an answer.

Pinging @sebavan

It looks like you are not using a pre processed textures so you could take a look at : Use a HDR environment (for PBR) - Babylon.js Documentation

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