When designing a home it is sometimes useful to change the texture of the walls to see the effect of using another type of brick or using some other kind of material.
I have found no other way of doing this apart from replacing the texture for every individual wall. (I know that I can select multiple walls, but with a multilevel home, this can be quite tedious).
I thought of doing a search and replace of the texture in the sh3d file, but couldn't quite figure out the structure of the file...

Any tips?

TIA