Homebrew PCBs

> This is marketed in Australia as a GMC. It works well on PCBs but you need
> to wear a raincoat while using it.
> 
>  
> I see Harbor Freight is having a sale on a tile saw.  Looks like it 
> might be useful for cutting PCBs to size.  Cost is $66.
> 


   Another method is get a set of the KV drawer slide rails from Lowes.  Take 
off the outer rail, to only use the inner and middle parts.  Mount two on a 
board parallel, about 4 or 6 inches apart.  Mount a board on top to the other 
parts of the rails.  This is your slide.  Attach a connecting nut.  (The 1 or 
1.5 inch nuts to connect two threaded rods together, Ace has them.)  A threaded 
rod hooked to a stepper motor to move the slide, and a simple program to run the 
motor at a slow speed.

   Attach a dremel to the slide and cut away with slow computer controlled 
speed.  A bit better if you attach a flex shaft, it will sit horizontally and 
the cutting wheels are bigger than the handle.  Align it correctly and you will 
only be cutting with the edge of the wheel, and can use the thin wheels that 
come 20 or 30 to a plastic circular pack.  Very little removal in the first 
place, and you can easily cover with a sheet or plastic.  This is how I do my 
straight cuts, works fairly well too I can add.

   Too bad most of my boards are now every other shape but rectangular..

Alan