I use the standard static mesh cube. I think that’s enough, don’t it? Anyway, I have looked for functions in the engine that create virtual textures. I also found some. I also found the variable VTData in the texture. It probably has to be filled. Unfortunately, I haven’t managed to do that yet. The engine has the “if editor” macro in many places. Code within only works in the editor. I am still looking for solutions. But it doesn’t seem to be that easy.