A lot of movie posters give the impression that they are 3 dimensional, or at least have more depth to them by creating a plane which objects or shapes from the design interact with in some way.
In the design below, the boarder crops the sky into a frame, but the foreground of the design breaks the rules of these boundaries and ives the impression that it is somehow coming out of the design.
A very similar technique is done with the 'A clockwork orange' poster in which the character is reaching through what seems to be a 2 dimensional plane.
There is a similar technique which can be done to videos in which characters move in and out of white strips that are down the frame.
I would like to experiment with these techniques to see if I can add more depth to my design to engage the audience more.