Z Corporation, Burlington, Mass., has announced new, affordable, commercial-class 3D printers. The ZPrinter 150 (monochrome, $14,900) and ZPrinter 250 (multicolor, $24,900) have a small physical footprint suitable for classrooms, departments, or small businesses. The new printers are easy to use out of the box. They can print multiple, stacked models simultaneously and in multiple colors. Color 3D printing helps designers and students better evaluate the look, feel, and style of designs by enhancing 3D models with graphics, logos, text, labels, and design comments.