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Subject: Re: [Homebrew_PCBs] Re: Using a plotter to scribe bboards

From: Yngve Dahlstrom <yd_br@...>
Date: 2005-06-07

"Roy J. Tellason" <rtellason@...> wrote:
That's the second post I see saying something about the interface, but
wouldn't the fact that the thing moves somewhat already suggest that the
computer is talking to it? I'd be inclined to look at whatever coordinate
system is being used, maybe one of them is going the wrong way, or
something.

You may have a scaling problem. My plotter has a stepsize of 0.1 mm and the layout software output is in mils. I had to rewrite the driver with a scaling factor for plotting PCBs.

You may have a problem with setting the origin too.

Regards,

- YD



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