dePENd is a novel interactive system that assists sketching using regular pens and paper. Our system utilizes the ferromagnetic feature of the metal tip of a regular ballpoint pen. The computer controlling the X and Y positions of the magnet under the surface of the table provides entirely new drawing experiences. Haptic guides using regular tools are expected for rising drawing skills for users. For example, users can draw diagrams and pictures, add an arrangement, use a communication function and copy and re-draw function.