Xinhua News Agency, Hangzhou, June 12 (Reporters Zhu Han and Yin Xiaosheng) walked into the exhibition hall of the Art and Archaeology Museum of Zhejiang University, as if stepping into the "Music Cave" of Yungang Grottoes more than 1,500 kilometers away. On the 12th, the 1:1 copy of the Yungang Grottoes "Music Grotto" was officially inaugurated at Zhejiang University. This is the first mobile 3D printed copy cave.

  Relying on high-precision digital technology and 3D printing technology, the replica cave accurately reproduces the grotto shape and exquisite statue of the "Music Cave", as well as the fine traces caused by weathering for more than a thousand years. As an important part of the special exhibition "Wei Feng Tang Tang: Centennial Memory and Reappearance of Yungang Grottoes", the replica cave will be opened for offline and online visits.

  According to reports, the 12th cave of Yungang Grottoes, known as the "Music Cave" was excavated in the 5th century AD. The back room of the front hall is 14 meters deep, 11 meters wide and 9 meters high. The cave is carved with rich Tiangong music and Chinese and foreign musical instruments, showing the musical style and era style. These statues of celestial palace music are also the earliest "Palace Symphony Orchestra" in ancient my country, and have an extremely important position in the history of Chinese music and dance.

  "The immovable cultural relics are all facing weathering and erosion. Digital technology has built a three-dimensional digital archive for Yungang Grottoes. Even after a few years, the cultural relic form changes or is damaged, it can be restored based on high-precision archives." Yungang Ningbo, director of the digitization room of the Grotto Institute said.

  Diao Changyu, deputy dean of the Cultural Heritage Research Institute of Zhejiang University, said that over the past three years, the joint project team of the Cultural Heritage Research Institute of Zhejiang University and the Yungang Grottoes Research Institute has overcome many technologies such as data collection and processing, structural design, and block printing and coloring. Difficult. "The caves and statues of Yungang Grottoes are skillfully used in various carving techniques, with huge spaces and complex scales. During the digital collection and printing of Cave 12, we touched the'ceiling' of the existing technology."

  It is understood that the 12th cave that has been successfully copied is composed of 110 blocks of 2 meters square in 6 layers. These "building blocks" are made of lightweight materials and have a total weight of about 2 tons. They can be installed with 8 standard container trucks and can be assembled and assembled in a week.

  "The 12th cave of'Walking' will be a'concert' that will never end." said Lu Jiwen, deputy dean of Yungang Grottoes Research Institute. Next, the 3D printed "Music Cave" will also enter the world. More people touch Chinese culture.