What starts as a live action hand extrapolating a line along a grid gets real trippy real fast, but the fanciful hand-drawn extrapolations follow a discernible mathematical pattern.
In this hand drawn animation a line is being extrapolated through a grid. When the line surpasses the boundaries of the grid, the process spreads to and reflects on its surroundings. Beyond each boundary the extrapolation of movement is causing deformation in a systematic but speculative way.
Bonus video: kittehs doing their Natural Thing: