Originally Posted by eljefino
You could glob "tiger hair" bondo with fiberglass on this for this years sticker.
It would not be much work though to cut it out, get some "tin" like flashing from Lowes, Pop_rivet it to the remaining metal. To make the curve, cut slits every 2 inches so you can "fan" it around the corner. Then cover this mess in fiberglass. This'll get you ~3 years instead.
Ya, no. That sounds way too labor intensive! Ain't nobody got time for that!
Bondo and putty knife is all you'll need.
Oh and don't bother cutting/grinding away the old rust, you'll need that to act as a foundation to get the bondo to adhere to the rest of the solid areas.
You're welcome!