Abandoned pens and other such stationery stand a chance at purposeful usage, thanks to the Pen Printer. The device uses the ink from discarded pens to print on paper. The current tech may not support such an ambitious idea, but it’s worth the exploration, since many of us have bundles of uncapped and discarded pens in our drawers for no apparent reason.
全球首款3D打印笔3 Doodler The printed pen 3Doodler (3D graffiti) developed a 3D Print in Boston WobbleWorks company pen, in a nutshell, it's functionally equivalent to the standard 3D printer's print head, but made the shape of the pen. With it, without computers and modeling software, you can imagine something you painted 3D models, like 3D graffiti, which is the sum of the origins of the name. 3Doodler is the world's first 3D printed pen,