This is not a special saw, it is just a user, so the patch doesn't have to be invisible, it just has to be solid. The fact that it is right at one of the holes makes it a little more challenging, I think. So what is the best (or at least an acceptable) way to fill that so that the saw stays solid?
LK6bG8gh.jpg
https://i.imgur.com/LK6bG8g.jpg