 FDM is a process that the company patented, which is used to produce three-dimensional parts directly from 3D CAD files layer-by-layer for use in design verification, prototyping, development and manufacturing.In 2007, Stratasys supplied 44% of all additive fabrication systems installed worldwide, making it the unit market leader for the sixth consecutive year.In January 2010, Stratasys signed an agreement with HP to manufacture HP-branded 3D printers.