Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

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Thanks,
Steve Greenfield
listowner Homebrew_PCBs

--- In Homebrew_PCBs@yahoogroups.com, Cristian <bip@...> wrote:
>
> Hi List
> Do you know a solution to invert the polarity (from positive to
> negative) of a Gerber generated file of a PCB layer,
> independently of any PCB program?
> Cristian
>