This work is reposted from the original designer：Janne Pärssinen
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虽然节省了折叠装置，折叠方便体积小，但是前倾角太大，拖曳距过长。转向不灵活，
问题是国家不给上路啊。。。
想拥有！
很有创意！可以考虑量产。