Push-down button with a ballpoint pen spring by AhmetCelikPhd

Last crawled date: 4 years, 11 months ago

This is a push-Down button consisted of three independent parts (inner, upper outer and lower outer) and a typical ballpoint pen's spring. When parts are combined, button can easily moves and you can push it down. It will revenue back into initial place as soon as released.https://www.youtube.com/watch?v=W45jbWiRs3k