This work is reposted from the original designer:Product Design Studio Daria Piech
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外观很精致哟~但是我想问一下中间三个螺母两个黑色线圈的是有什么特别的作用吗,感觉有点累赘一体成型会不会更好一点
利用了各种物理原理
好特别哦