this might sound like a stupid question, maybe you guys are using mills for everything though, for me by hand with steel rules, a band saw and a drill press I found decimal measurements to be a pain so I converted all the liner dimensions in autocad to architechtural and fractional.. not sure exactly why some were within 32/s on the JGRO where they look as though they should be exactly the same, not to mention that I can't get accuracy by hand with a vice and I don't have a mill.. I ended up just following JGROS and checking Joe's edrawings to make sure I had enough of both.. seems to be working out well though.. David are you hooking that up to a shop vac? I have a full dust collection setup, wondered if I could use that eventually to tie it in