She was right. Every night, I dreamed of a door. Not a special door—just a plain wooden door with a brass knob, set into a wall of ivy. In the dream, I would reach for the knob, my fingers inches away, and then I would wake up. Always the same. Always so close.
Megan Shepherd has stated in interviews that she was inspired by the Stanford prison experiment and the nature documentaries of David Attenborough. She wanted to flip the camera: "What if the animals in the zoo knew they were in a zoo, and could see the visitors watching them?" the cage series
For the next three hundred cycles, I experimented. I stood in different spots. I timed my movements to the slot’s rhythm. I discovered that The Cage was not a cube at all, but a torus—a donut of folded space, wrapped around a central hub. The walls, the floor, the ceiling: they were all projections, a skin stretched over a machinery that hummed just below perception. The slot was a wound that briefly opened, and at the moment of opening, the skin thinned. She was right