Homebrew PCBs

"Stefan Trethan" wrote:
> 
> The limit is about 6.66mil (odd number comes from DPI), more becasue 
of  
> undercutting than the TT itself.
> 
> <http://trethan.at.tf/pub/img1/PCB2.JPG>
> 
> of course it also depends on printer resolution and probably about 
a  
> zillion other factors, but that's what i use.

Thanks, Stefan, that's great to have the picture to refer to for this; 
looks like I'm within the ballpark.  

BTW, is 300 DPI a good enough resolution to use?

Thanks,

Mike