Snap Motion 10 January 2021, 19:42 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! The cam hub has a semi-circular slot in which a pin of the blue driving shaft moves. Snap motion occurs when the moment from the follower spring applied to the cam changes its direction. « previous mechanism Mechanism Creating Two Parallel Runways next mechanism » Walking on Water Device load comments Please enable JavaScript to view the comments.