Replication is not very simple, the most important thing is transparency. If opaque handwriting cannot be printed, it cannot be copied at all. There are two main ways for the ancients to trace back and copy the original works. The first method is to track the original in a dark room by using the sunlight coming through the window. The tracing book obtained in this way is called the sound book. The second method is to cover the object with a piece of paper covered with yellow wax. This method gets a hard yellow copy.
The characteristics of Sakamoto. Because the copy of the original is directly copied on the original, the effect is very good, almost the same as the original, and almost confused with the real one. Tang people have a deep study on copying, and some of them copied the Preface to Lanting.
? Tuoben? It is also a replica of a famous place, but in a different way. This method is to put paper and ink on the manuscript and then copy it in shed, because the manuscript obtained by this method is also called shed copy. This kind of rubbings are obtained by the method of spine rubbings. This method is to coat the original with water wax or bletilla striata, then put the paper on it and smooth it with the spine, and then dip it in ink. Because paper is easy to break, it is usually padded with felt when it is smoothed with spine. Moreover, in order to preserve the finished product for a long time, the finished product will be covered with a layer of wax. However, because rubbings are not directly described on the original like the copy, they may not be as realistic as the copy.