I assumed that whatever elements were still apparent must be significant space establishing elements. The distinction in surface materials appeared as a color distinction. Details that could not be distinguished were the ventilation grills, light switches, the specific materials of the floors and walls, and a certain degree of detail in the wood trims. They would not be included in the model. The Computer Model - Elements of Scale.
Scale is also very important in models.
The architectural details alone in the model are not sufficient sources of scale. Traditionally, models include human figures and common household objects to set a sense of scale. In the virtual environment, the lateral movement of one's head is a small but insufficient indication of scale. The model has to include elements of scale as well. When a normal chair was added for scale, is was interpreted to be a child's chair.