George wrote:

Flat is good enough for what's it's doing. If pieces don't rock on your
bench, either both are flat enough or both OTL.

Nonsense. If the bench isn't flat to within 0.000001" your projects will
explode due to PVC dust in your 18 HP shop vac.

--
Michael McIntyre ---- Silvan
Linux fanatic, and certified Geek; registered Linux user #243621
http://www.geocities.com/Paris/Rue/5407/
http://rosegarden.sourceforge.net/tutorial/