Aktīvi pasniegt Sadalīt blender remove all materials meistars Kopējais pavasaris
Easier way to permanently delete unwanted materials/images/ect — Right-Click Select
GitHub - QCPolmer/Blender-3d-remove-duplicate-materials-in-scene: Run this script from a scene and it will replace all materials with a '.001' or whatever with the material without the number after it. Basically, it is for