[EMAIL PROTECTED] wrote:
 As I
understand it, dxf is open. I don't really know if there are gnu or open code modules for creating and working with them

There are a couple of python cad programs with open source to look at
that do some .ps and .dxf output, and no importing.  Pythoncad and cadvas
source code might be helpful in learning curve to get PCB to write out .dxf.

Gerber is just few types of output shapes in the PCB case we use, since the only apertures used are circles and squares. Lines, arcs, and aperture sizes, aperture round or square are all that is needed to draw a PCB in .gbr or .ps or .dxf.

John G


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