The Half Lap Tee is made by removing half of the thickness from each component, leaving a snug fit between the shoulders.
The components should be prepared square and true.
The first shoulder on the 'tee's bar is knifed in position using a try-square.
The 'tee's post is pushed up to the try-square, and then held firmly in place while the second shoulder is knifed against it's opposite side.
Knife lines are made, for the shoulder, down to half thickness, using the try-square. They are aligned by holding the knife in the initial shoulder knife line, and butting the try-square up to the blade.
A marking gauge is set to half thickness, and used to define the back, or depth, of the shoulder. Joining the previous knife lines on the edges.
The end of the 'tee's post is marked in a similar way. The 'tee's bar being used to gauge the length of the shoulder from the end.
A knife wall is made by paring from the waste into the knife line, and will ensure the saw kerf is kept in the waste.
The shoulders are sawn in,
following the knife lines, down to the gauge line.
Paring up at an angle, the waste is carefully removed.
Working down to the gauge line, but leaving the opposite side in tact,
until the work is reversed, and the opposite side can be tackled without the risk of tear-out.
Finally paring the joint surface flat between the gauge lines on both sides.
Chop or pare vertically the shoulders, registering the chisel in the knifed lines.