"3D printing is a great example of how incremental innovation can be revolutionary. We’ve always had printers and parts manufacturing, of course, but plastic 3D printing has been taken to the consumer and prosumer level. Now, 3D metal printing is poised to be the next big wave in this industry."

https://www.forbes.com/sites/forbestechcouncil/2018/07/18/three-breakthroughs-that-will-disrupt-the-tech-world-in-2019/#519b9fae1f87