Bistable gyroscope - variable size up and down

The voting for the designer of the year 2025 has started, Please help me vote 。My nickname is SG Creation link：A hollow version was made, with optimized tolerances and threaded installation,https://www.crealitycloud.com/model-detail/hollowed-double-static-gyroscope-threaded-edition?source=22Note: After printing, gently move each joint and confirm that each joint can move to open and close normallyNetizens suggested making this structure into a gyroscope, so they made itUpdate 1: The central shaft has been optimized to rotate for a longer time, and the buckle has been installedUpdate 2: The hinge has been reinforced and thickened for optimization, and the phone slicing can also be printed (Note: Other versions may not work due to a bug in the phone slicing, which has been reported to the official team. This increased gap avoids this bug)