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Sliding dovetails are one of the unsung joints that are seldom used in woodworking, too bad because they are not nearly as intimidating as they may seem and they hold fast and give lots of area for glue to grab on to making an excellent, tight joint.
In this video we are ultimately making a 3 legged pedestal table but in order to get to that point there are many steps and this is another one of those steps. We needed something to but the dovetail slots into so we needed to start off making a six sided or hexagon shaped column or post.
Using the correct technique on a table saw, a column like this can be cut accurately in a couple of minutes. The secret to cutting a hexagon column is to start off with a blank that is about twice as wide on one side as the other and length can be whatever you want. Set the angle of your table saw blade to 30 degrees (which conversely is 60 degrees off the table) and make your first cut, then flip the board upside down and make the second cut.