It is said that when Qin was resettling to wipe out the six countries, Qin Shihuang personally made a sand table to study the geographical situation of various countries, assisted by Li Si, and sent General Wang Jian to carry out a concerted war. Later, when Qin Shihuang built his mausoleum, he built a large-scale terrain model. In the model, not only mountains, hills, cities, etc. are built, but also rivers and seas are simulated with mercury (definition: virtual for real things or processes), and mercury activities are cycled with mechanical devices. It can be said that this is an early prototype of the sand table, which has a history of more than 2200 years.

It has been recorded in the Book of the Later Han Dynasty · Biography of Ma Yuan written by Song Fanye of the Southern Dynasty that in the eighth year of Jianwu of the Han Dynasty (AD 32), when Emperor Guangwu attacked Tianshui and Wei Xiao, a local powerful man in the Wudu area, the senior general Ma Yuan "gathered rice as a valley and pointed to the situation", which made Emperor Guangwu feel "captured in my eyes". This was the early sand table work. Due to its outstanding practicability, the industrial machinery model sand table model is widely used in the field of urban planning, which is used to show the blueprint of planning, and also widely used in environmental management, engineering transformation, agricultural planning, real estate planning and other fields. Used to show its characteristics.

In 1811, Von Leswitz, the civilian military adviser to the Prussian King Frederick William III, made an exquisite model of the battlefield with clay, marked the route, river, village and forest with color, and used small porcelain pieces to represent military conduct and weapons, which were displayed in the Potsdam Palace for military games. Urban planning sand table building sand table model is mainly used in real estate development, government planning, planning institute plan interpretation, restoration of lost or damaged buildings and other fields of operation. Later, Leswitz's son used a sand table and a map to mark the terrain, and used a timepiece to mark the conditions of military service and weapons deployment, and planned strategies according to the actual combat approach. This "war game" is a modern sand table operation.

In the late 19th century and early 1920s, the sand table was mainly used for military training. After World War I, it was widely used in practice. The urban planning sand table building sand table model is to mark the shape of the building and the geographical contact with the surrounding environment in the way of miniature entities, transform the purpose of the architectural planner into specific objects, and enable users to intuitively understand the purpose and vision of the planner. With the development of electronic computing technology, the new technology of simulating (defining: virtual) battlefield conditions has been presented, which provides a new method for researching battle command.

Base color matching:

The color selection of the base should not be compared with the color of the model too much. Assuming that the comparison will affect the flash of the model, it should have obvious primary and secondary effects.

House type function:

The function of the exterior wall is good. Organic glass is used, so it is convenient for the audience to see the internal structure of the door. The combination of real and virtual can reflect the structural characteristics of the door and make the whole model more relaxed.

Door planning:

In the door planning, only the equipment door frame is required, which can be expressed here. The space of the model is very small. Assuming that the door is also disguised as a very congested space, the entire model will affect the exhibition.

Expression of:

At present, most models ignore the method flash, which may be a more comprehensive view of the structural model. Of course, there is a special requirement to improve the model. We can not judge which method is good or bad, but it can perfectly show that the model is a good model.