"I knew that my first film was going to have a very low budget, and therefore it was probably going to have to take place on one set. But I knew that also that I was also not the kind of filmmaker who would do something like My Dinner with Andre. So, I had a little brainstorm one day, where it occurred to me, "Well, what if one set doubled for many?" So I would have the advantage of shooting in one space, but I would also be able to move my characters from place to place. This made me think of a maze of identical rooms, and therefore a symmetrical maze, and therefore a cube and so on. It took awhile to, from that kernel of an idea, turn it into a three-act structure. But with the help of some friends, I did…"