A system for decorating nails, including fingernails and toenails, using rub-on or pressure sensitive art or decals. The system includes an electrosurgical probe having a shaft with a shaft distal end bifurcated to provide first and second arms. Thereafter, the strip-shaped material being fed is cut into material pieces of a variable width, variable inclinations and a variable length in accordance with the three-dimensional computer aided design data of a three-dimensional product using a linear heat source. The administrator determines whether interaction with the software product is permitted. Crossover of reactant from one electrode to the other electrode through the electrolyte in an electrochemical fuel cell is thereby reduced.