I glued the strips to the blade to use as a guide for the slat spacing and the depth of the cuts, hoping to make repeatable cuts. Basically, cut slots for one slat, glue the slat in place, then use the slat as a guide for the next cut. It worked to a point, but because I was basically freehanding the cuts against the slats, I ended up with a good bit of tolerance stack. There is still a good amount of cleanup work to do before primer, but the hard part is done, and I can live with it on the shelf. Here's the modified saw blade: