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Subject: RE: [Homebrew_PCBs] Be Careful with ExpressPCB

From: "Tony Smith" <ajsmith@...>
Date: 2010-07-18

> On 18/07/2010 01:06, DJ Delorie wrote:
> > Are you sure it's the software, and not the printer? My laser
> printer
> > shrinks ∗everything∗ about 0.4%, which is enough to make big
> connectors
> > not fit in their holes.
>
> And, it's likely to vary with humidity. Paper is very hygroscopic (I
> worked for Rank Xerox many years ago, and it was a problem, we even
> supplied some customers with heated storage cabinets). That might
> explain whi it's so variable.


I run the sheet of paper thru the printer a couple of times to shrink it.

Open Notepad, press the space bar a couple of times and then hit print.

Then print the PCB. You need to do it straight away, you can't leave it
until tomorrow.

Tony