I have created a model for architectural drawings. I am trying to apply a texture to the walls so that, in the elevations, the building appears to have siding. I watched a video and did some research and found that I can apply textures to the walls by assigning them in the class and also by dragging and dropping them on the wall. However, I do this and no textures show up on my model. Actually, I have gotten the texture to work on the roof, but not on the walls. At one point, something that I di