In our fourth year of animation at NID we learnt a very curious technique known as Stereoscopy. Our alumni faculty Dawa took this course for us as he patiently explained how objects are placed in front or behind the screen creating a 3D effect. Here's the basic set of assignments we did.
Whipping out a pair of basic cyan and red glasses would be ideal right now!
A few photographs to experiment with depth and the basic concept of stereoscopy.