Nope, you don't "shim" anything, cut your slots from the same reference
point and they will match.


"David" wrote in message
...
Rumpty wrote:

Keep
in mind "most" biscuit joiners won't cut the the exact center of a 3/4"
piece of wood, so you need some way to reference a point so both pieces
of wood have the biscuit aligned.


I think that's referred to as a "shim". g

Dave