"krw" wrote in message
...
I was hoping I could use the biscuits for alignment. That's not
happening so I might just as well skip them. BTW, the plywood and
edging is 3/4" (nominal 23/32").

They were made to do just that job, and does it rather well. Surely you have
some scraps left over to test it on first? Just 10 minutes of shop time will
allay or confirm your doubts.