Hi-
Just use Eagle, it is free and will let you design a 3x4" board (double
size for $125US for non-profit users).  It has a large library of
parts.  It will let you design the schematic and then translate that to
a board design.  It has design rules and will generate CAM files to send
to a board house.  You can even generate 3D views.  I have used it and
had boards made.  They have an active support network.  Recommended.
See:
Eagle home: http://www.cadsoft.de/ and in USA: http://www.cadsoftusa.com/
My FAQ: http://eagletips.swiki.net/1
3D: http://www.matwei.de

David

moonshadow wrote:

>About 25 years ago I had a little art program, forget the name now. I built
>up a library of parts, pixel by pixel and parked them around the edge of the
>screen, where I could copy and paste them into a PCB desisn in the center of
>the screen.  Components were very easy to move and place. I used the line
>tool for tracks.
>          If one then prints out the design it is possible to get it
>photo-copied onto film and that produces the positive for exposing the
>design onto a light sensitive coated board. After that you just etch as
>normal and you have a PCB in a very short time.
>           Sure it doesn't have auto routing and flashing lights, but the
>system works and is very cheap for a beginner to knock off their own PCB's.
>
>John.
>
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