DFM Add-Ons for EAGLE are EAGLE Design For Manufacturing (DFM) Rule files, written in accordance with Sunstone’s manufacturing criteria for 2, 4, and 6 layer designs. If you are looking for a powerful and affordable schematic capture and printed circuit board design package that gets the job done, EAGLE is an excellent choice. CadSoft offers user friendly, powerful and affordable solutions for PCB design, including Schematic Capture, Board Layout, and Autorouter.