Homebrew PCBs

----- Original Message ----- 
From: "KeepIt SimpleStupid" <keepitsimplestupid@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Saturday, October 04, 2008 4:52 AM
Subject: Re: [Homebrew_PCBs] Re:attaching a pen to a cnc?


I'd try Rapidograph pens

http://www.dickblick.com/zz210/03/

If I remember right they are basically a hollow tube with a wire in them. 
The wire actuates a valve, thus you would have to be able to lift the pen to 
stop the ink. Extremely light touch and very fine lines.

Ceramic-tipped pens might be better. You will get very rapid wear with the 
ordinary ones.

Leon






















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