PCB DXF HID is a DXF exporter for PCB.
DXF is the defacto Data eXchange Format for exchanging data in between mechanical CAD
applications.
PCB is an interactive Printed Circuit Board editor for the
X11 window system.
PCB includes a rats nest feature, design rule checking, and can provide
industry standard RS-274-X (Gerber), NC drill, and centroid data (X-Y data)
output for use in the board fabrication and assembly process.
PCB offers high end features such as an autorouter and trace optimizer which
can tremendously reduce layout time.