What are the characteristics of Luban lock developed by primary school students in the capital and patented by the state?

Recently, the media reported that Yang Jialin, Chou He Jia and Cheng Kexin, graduates of Beijing Chaoyang Experimental Primary School, obtained the patent certificate for the design of ——3D printed Luban Lock, a classroom learning work issued by China National Intellectual Property Administration, which was completed by them in the fourth grade of primary school. ?

20 14 School introduced 3D printers and opened a comprehensive practical course of 3D printing. In class, students discuss whether some traditional educational toys in China can be printed by 3D printer. Therefore, students spontaneously formed a group to study 3D printed educational toys. ?

Yang Jialin, Chou He Jia and Cheng Kexin are now in middle schools, but their experience of making Luban locks in primary schools is still vivid. Chou He Jia told reporters, "We found that' Luban Lock' adopts the tenon-mortise principle and has nine structures." Three of them are fixed, so they simplified the structure and designed a six-structure "Luban lock". After several adjustments, Qiu Hejia and his friends made a perfect "work" through 3D printing technology. The Luban lock they made won the love of the students and was praised by the students as "the most suitable Luban lock for primary school students." ?

Luban Lock is an ancient educational toy for children in China. According to legend, it was invented by Lu Ban from the late Spring and Autumn Period to the early Warring States Period. It is one of the four traditional educational toys in China, and has a history of thousands of years. Teachers in this school often recommend these traditional educational toys to students, and many students are interested in learning educational toys. ?

Luban, you lock me, I lock you, reflecting unity and tolerance. Lubansuo is also an important part of China traditional culture. Making Luban locks can not only help students better understand the tenon-mortise structure of Luban locks, but also stimulate students' innovative thinking and inherit Chinese excellent traditional culture. ?