Homebrew PCBs

Hmm, not sure about a free tool. I know that router solutions product does that easily, but I don't know if the demo has that feature enable.

I've also used GC-Prevue, and Viewmate from Pentalogix, but I don't know if you can export or save the gerber back out. I will check it out in the morning.

I did take a quite look at Pulsonix. It looks pretty slick, so I'm going to give it the demo a shot on a small board to see how it goes.

Thanks
Ron
  ----- Original Message ----- 
  From: wheedal99 
  To: Homebrew_PCBs@yahoogroups.com 
  Sent: Monday, December 01, 2003 12:41 AM
  Subject: Re: [Homebrew_PCBs]OT Eagle vs Protel


  --- In Homebrew_PCBs@yahoogroups.com, "Ron Amundson" 
  > Also Protel does not have the ability to print white on black, so I 
  >have to generate gerber,and then use a gerber tool to create 
  >negative transparencies. Does Eagle have that built in?

  I'm in a similar boat with my old microsim pcboards/specctra package 
  since they were bought out by orcad, then cadence.  You mentioned a 
  gerber too to generate negative images; do you know of a free tool 
  that will invert a gerber then export it in gerber? --negative plot.  
  Some board houses now won't accept innerlayers in positive mode 
  anymore and my tools are just old enough they don't do negative 
  layers (at least I can't find any way of doing it).


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