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The lamp is made up of several triangular prisms, the two undersides of triangular prism are equicrural right-angled triangles. Two of the sides are squares, every triangular prism has a rotating shaft for interconnecting. It can change shape as you like, not only be interesting, but also save space.
Luo Shijian, Zhu Shangshang
Liu Qi,Wei Chengyuan,Wang Jiaolong,Ma Longjiao,Zhang Jiawei