This work is reposted from the original designer：Sebastian Jordahn
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个人觉得主要是制作成本低，节约资源。以及更为接地气的感官体验吧
不用的时候占 了一片地方，用的时候占了两片地方。所以它的意义在于不用的时候与周围环境融为一体？
有什么用?
好创意