Most of us are aware of the KISS principle: Keep it simple, stupid! And while simplicity is certainly a theme in many 3D printers, they are anything but stupid—and created by those who are the polar opposite—with ingenuity in abundance—which they use to share new innovations with the world. One quite simply has to give up with wondering what the collective ‘they’ will come up with next and just roll with the idea that the possibilities in 3D printing are infinite. And as progress in the industry and the community of makers marches on daily and hourly, it’s hard not...