Dewalt 779/780 Zero Clearance Replaceable Inserts

---------------Update 1/14/2025---------------Added notches at either end of the replaceable insert and base plate. This modification allows the replaceable insert to retain its shape even if you accidentally cut all the way through it with the sliding action of the miter saw. I cut all the way through the replaceable insert on my previous design and noticed the sides would collapse toward the center.Because of the notches, I don't know how well this will perform for bevel cuts. This works w