If You look-up the Original Incra Dovetail Jig, They will show a sled. It is just a board that has its own small rails that help keep the sled about 3/4 is. above the table, and the side of the sled is 90 degrees to the sled. The sled slides against the fence. It works very well. You can also look here, or on U-tube for a sled. I don't use slots because there is no need as far as I am concerned. I have a groove that I but on My fence to hold stops, and that works well, but nothing on the table. Saves a lot of routing, and adding the slot mech.
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Last edited by dutchman 46; 01-17-2014 at 05:08 PM.