AirTiles: modular devices to create a flexible sensing space

There are a number of systems and devices for spacial measurement which can be used to measure bodily motion. However, these systems are usually large or fixed with the environment. In this study, we propose a novel modular device that allows users to create geometric shapes in the real world and also a flexible sensing space within the created shape. Users can freely put devices and rotate them so that a geometrical shape could appear on the floor. As the modular devices and the emitted laser beam represent the corners and sides of the shape, respectively, the device therefore does not interrupt figures or textures on the ground. The developed system provides an interactive visual/audio environment as if children could make a hand drawing on the ground or floor and play with the created shapes.