We didn’t always have polyester body filler. In the days before OSHA, auto body workers would use a torch, bricks of lead, and a grinder. You can check out a video of the era before OSHA here.

We used to do it the same way we tape drywall, by applying five pounds of body filler and then sanding ... and matching paint from the dealer or an auto parts store. The repair won't look like ...