What is the name of the model house in the sales department?

The model house in the sales department is called sand table. Sand table is a model made of sand, chess and other materials according to topographic maps, aerial photographs or field topography in a certain proportion. The real estate model is a real estate community made by the model according to a certain proportion, which is convenient for users who visit and buy the real estate community to see the whole community more intuitively. The architectural model of real estate is in the form of classified model, which is highly simulated and copied according to a certain proportion, and has the characteristics of appreciation, display, high imitation, portability and collection.