My old saw guide was a piece of ply with an edge guide screwed on that the saw plate rode against. It served me well, but I've always wanted a guide that would eliminate the need to take the work to the table saw for final sizing. 
Here are some pictures of my attempt to make a more accurate guide.

I started with a "T" track and "T" bar from Peachtree. The first pic is gauging the "T" track thickness.


I routed the 3/4 ply in two steps on my router table.
Here is setting the router bit to correct hight for the second cut. 


Had to gauge the width, too. 


And see how much adjustment was necessary


Ahhh, a 1/8" key way "gauge" just fits. I'll lay the key way gauge between the ply and bring the fence to it. Thereby widening the dado.


Pretty good fit, IMO


Attached the "T" bar to the trusty old Skil worm drive with 1/4-20 X 3/4" bolts, lock washers and wing nuts. The holes in the shoe were already there from the factory. Don't know why those holes were there, but I was happy.

This pic just shows the "T" bar in the "T" track. Next step was to epoxy the track into the dado.

It works like a dream. No tear out. A good Tenryu blade helps with that. And the work is sized perfectly. 

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Gene
'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

Cool Idea, Thanks!!

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Lew Kauffman-
Wood Turners Forum Host

Time traveler. Purveyor of the world's finest custom rolling pins!