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Editing Step 10 —

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Again, working out from center, mark all your lines. When laying out the mortises in the legs, be sure to mark them on both sides of the legs because the tenon passes all the way through.

The first step in the mortising is to remove the waste using a drill. While a hand drill will work, a drill press is recommended. A drill press will give you reliably straight holes with sides that can be used for reference as you chisel out the waste.

Feet and beam mortises: Using a 1" Forstner bit, drill out the mortises to a depth of 2 5/8"; these are blind mortises (or stop mortises), which don’t go all the way through. To keep the sides straight, first drill holes at either end, and then connect them by drilling a hole in the center. Use a sharp, 1" chisel to clean up the sides and square the corners