Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Mark Lerman <mlerman@...> wrote:
> Does anyone have a board file they use to test various methods of pcb 
> production that they wish to share? 

http://www.delorie.com/pcb/

Scroll down to "Goodies" and download the bloat test board (various
formats available).  That's what I use for testing all my etch method
changes.  It has lines and spaces from 1.6 to 12 mil, plus a range of
holes and annuluses (annulii?).