The 3di g2 uses poly-graphene pins arranged within an array forming a rectangle. inside the base of the pins contains electrolyte fluid (inside of micro poly-graphene fiber optic coils) within an array of halbach array neodynium magnets. these poly-graphene pins act like linear actuators and rise or lower according to their need to form 3D objects such as borders, braille, or when navigating used in conjunction with a camera & augmented reality; lamp posts, benches, people, animals etc...