Stratasys invented its patented FDM (Fused Deposition Modeling) technology in 1988 and has led the development of 3D printing technology ever since. Stratasys uses its FDM technology in the Mojo 3D Printer, uPrint SE 3D Printers, Dimension 3D Printers and Fortus 3D Production Systems, which were developed for direct digital manufacturing and precision rapid prototyping. The company also operates RedEye On Demand, a digital manufacturing service.