GearDXF Description: GearDXF is a utility which outputs a DXF file containing a 2D outline of a spur gear using specified parameters. The tooth face is a true involute curve, but the base gaps between teeth are rough. Good for modeling spur gears. Last updated 9/19/2004 10:31:33 AM Click here to download EXE file. There is no User Manual at this time.