Part Mingling 23 September 2017, 22:00 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! This device enables mingling two kinds of parts in an alternate order. The rotors rotate in opposite direction. « previous mechanism Pantograph Transmission next mechanism » Transmission With Teeth-Uncompleted Gears load comments Please enable JavaScript to view the comments.