The world's largest and longest 3D street painting is located in Nanjing, the capital of Jiangsu Province, China. It's called Rhythms of Youth and occupies an area of 27,986 square foot— 2737.5 m2. Its creator, famous Chinese artist Yang Yongchun, said it's a gift to the upcoming 2nd Summer Youth Olympic Games.
Maybe you didn't find those layered fish paintings as impressive as I did but, after you watch this video showing how Riusuke Fukahori makes them, I think you will change your opinion. This guy is a perfect human 3D printer. Impressive skills.
3D printing might be exciting and all, but it's only really good for making new items from scratch; what if you want to reapir something instead? Enter 3D painting, GE's new baby which could be used to fix up anything that's made of metal.
Scientists at the Vienna University of Technology have developed a brand new method for positioning molecules in space with micrometer precision. They call it "3D-photografting," and it uses laser beams to place microscopic chemical structures in the nooks and crannies of a macromolecular meshwork known as hydrogel.