Futurism9.22.16, 6:30 PM EDT by Stephanie Summar/Robots & MachinesNissan's 3D Pen Sculpture/ Robots & Machines/ 3 D Drawing/ 3 D Printing Pen/ Art9.22.16, 6:30 PM EDT by Stephanie SummarThe largest 3D pen sculpture ever created took 300 hours to draw.Share This Video