Dado & Rabbet Cuts

Place the tail of the square at the bottom of your slab and mark at:

3 1/4"

3 7/8"

9"

9 5/8"

18 1/4"

18 7/8"

27 5/8" 

Place the tail of the square against the side edge and draw lines across your slab indicating where the dado and rabbet cuts are to be made.