Two Speed Gearbox

This is a two speed gearbox that was designed by first year mechanical engineering students, Batuhan Erduncan, Utku Balıkçıoğlu, Batuhan Hançerlioğulları and Asil Can Yılmaz, from Bilkent University and printed by ArtıBoyut A0 3D Printer.
Note: You need 4 bearings.
For more details: www.artiboyut.com