The second is to use a table saw, with the square edge down and the flattened face against the fence, but this method only works if the board is small enough that your saw blade can cut it. 5. Cut ...

First, line the narrower board up with the right edge and overhang it a 16th of an inch or so. Don’t skip this overhang, as it will help you square the sled in the next step.

Swing the square until you read the desired angle on the board’s edge, and make your mark. Shown being marked is a 33-1/2 ...