In 2015, an intriguing new 3D printer company called 3D By Flow emerged with a printer called the Focus, a portable, multi-extruder 3D printer capable of printing in multiple materials including both standard plastic filament and pastes. Two years later, byFlow is thriving, with production accelerating to meet a goal of selling 100 printers per month by this summer.In addition, byFlow is working with chocolate company Callebaut to develop a high-quality 3D chocolate printer. It's a busy time for byFlow, and leading the company is CEO Nina Hoff, who is skillfully managing the business as well as working on some side projects of her own. We got a chance to talk to Hoff recently about those side projects, as well as about byFlow and 3D food printing in general. Read more at