All that jig stuff is fine and dandy, but there's a simpler way. Clamp your workpiece down to your drill press, drill the hole for the pull, then switch to a core box bit chucked in your drill press. Your recess is automatically centered, and Bob's your uncle.
Several years back I "contracted" with myself to produce four identical cherry bedside tables in time for Christmas, just a few weeks away, all with through tenon construction (I like mission style, but I also love working with cherry wood as opposed to oak, which makes me sneeze}. After destroying several nice pieces of wood trying to handcut through mortices I came up with a better method.
I ripped the center of the legs on the front face, used a dado blade to cut the mortices, then glued the legs back together. Voila! Invisible saw lines, beautifully perfect mortices, and only the tenons to go.
So I cut tenons on the side rails usng the traditional methods, and was dissatisfied with the fit. Back to the drawing board. I milled slats of wood the proper length, fitted exactly into the mortices, as my tenons. Then, on the theory that a good glue joint was as strong as the wood, I cut 1/4 inch thick pieces of wood to serve as the "sides" of the stile, each one designed to fit exactly between the legs, and with a quarter inch lip extending downward, and glued them in place at the same time I glued up the mortice-tenon joints. NO black lines, I was able to use secondary wood for the inside parts of the stiles, and the side panels just dropped into place when I was ready for final construction of the chest sides! My wife and kids loved the chests, and I was able to arrange them around the Christmas tree on Christmas eve.
Is that cheating? I achieved quality results, it is impossible to tell that the stiles are glued together unless you look inside to see the secondary wood. One can argue that I am not honing my skills, but the other side of that coin is that I have time to make something else, and I didn't waste a lot of wood learning. I worked what I hope is smarter.
I also learned a valuable personal lesson. Four was the absolute limit for me in terms of how much repetition I wanted to do. Beyond that I would have felt as though I were a factory rat.
I'm gonna try that. But I'll do the joinery with dry (unglued) miller dowels instead of nails. Looks a little bit better and becomes knock-down.
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