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Date: Fri, 25 May 2012 16:26:31 -0700
From: Colin D Bennett <colin AT gibibit DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] pcb postscript bloat "psbloat" no longer works
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On Fri, 25 May 2012 17:54:17 -0400
DJ Delorie <dj AT delorie DOT com> wrote:

> 
> Note that bloat's purpose is to account for variations in
> dimension, not density.  It can "fix" some postscript
> interpreters that are off by a pixel (at 600dpi, that can be
> significant) or compensate for over/under etching in your process.

Yup, understood.  You see, I have printers that print higher
resolution and also print accurately (the LaserJet 5100 doesn't
"bloat" its lines).  But they have poor density.

On the other hand, my old LaserJet 3330 has lower resolution but
the best toner density.  The 600 dpi resolution is plenty, but the
real problem is that it bloats lines A LOT.  I need about -0.05 mm
of bloat (actually "slimming") to make it print approximately
correctly.  Thanks to pcb's psbloat option, this printer is now in
the game!  My test boards I just etched came out great.

> I've yet to be able to convince any modern laser printers of mine
> to put down more toner per mm2.

Hold onto those old printers! They sure don't make 'em like they
used to.

Regards,
Colin