Cable stop
Sorry I missed this so probably too late ,i’am being pedantic and just trying to give you X% extra on repair holding ,now you’re using rivets the repair is going to hold mainly due to them but if you’re going to use some epoxy as well ,let’s get the most out of it ,yes v slightly round off the sharp edge and any corners ,epoxies love to crack at these sharp junction points ,it would/will be hard to mask neatly but having a couple of mm’s of epoxy ‘radiused’ around edge of stop would be nice ,but with the rivets far from vital ,perhaps more important is ‘keying’ up the inside of the indentations on the underside ,the epoxy will fill that nicely and give a nice ‘3d’ anchor after curing ,i’am being a pedant anything you do with the epoxy will be miles better than what was put on originally