So Parks borrowed a tool common in the welding of plastic components, which is to gently agitate the hopper so that particles flow like water into a metering chamber.
By passing through this screen, visitors leave behind the grid of the city streets and enter an experience where spaces flow freely into one another, gently canted forms lend a sense of dynamism to the walls and ceiling, and surfaces de-materialize into the weightless, illusory depth of the moving image.