双稳态陀螺-可变大变小/Bistable gyroscope - variable size up and down

  双稳态陀螺-可变大变小  注：打印好后先将每个关节轻轻活动下，确认每个关节都可以活动即可正常开合 网友提议把这个结构做个陀螺，遂做了出来 更新：铰链加粗，更稳固，更易于打印，中心转轴优化，转的更久 Note: After printing, gently move each joint and confirm that each joint can move to open and close normally Netizens suggested making this structure into a gyroscope, so they made it Update: Bold hinges for greater stability and ease of printing, optimized center pivot for longer rotation