PS Let's say that this is a unique tennis ball, and I would like to convey all the features of its texture, create a digital clone of it. And its shape is a perfect sphere
To be faior though, PBR has been extended quite a bit lately, so you can do velvet etc. fairly easily. https://ericchadwick.com/gltf/index.html#GlamVelvetSofa https://ericchadwick.com/gltf/index.html#ToyCar Blender now has full support for all these PBR effects, in both EEVEE and Cycles, and you can export them to glTF. No…