While discussing alternative input methods for cursor movement as somewhat of a joke with my gamer friends a month ago, I proposed an idea: a fully IMU-based mouse that would map the screen to a 2D plane in the real world. Although at first I did not take this seriously, as I understood the impracticality of double integration for location, especially also taking rotation into account, I questioned whether this type of input device would be possible. Thus, I spent dozens of hours the second half of summer figuring it out, as part of a research project mentored by Oxford Professor Alex Rogers. Here is the rough idea, in the form of a dated 5-minute paint.net sketch: