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Re: gEDA-user: final modification
> Is this really related to gerber output?
> PCB program already has arbitrary shaped copper polygons.
> Your mentioned AND, OR, XOR operations will again generate copper
> polygons -- so it should be possible to handle negative stuff inside pcb
> program, without concerning gerbers.
Only a hypothesis - I'm not active on the PCB development side, so I'm
not sure what obstacles there are to constructive geometry techniques.
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