The crash damage is replicated using thick foil pressed onto the good panel, before bending it up and setting it by back-filling the panel with body filler (to hold its shape). The foil crinkles a lot more realistically than the heat-and-bend technique
eleanor01 by aus_mus, on Flickr eleanor02 by aus_mus, on Flickr eleanor03 by aus_mus, on Flickr eleanor04 by aus_mus, on Flickr eleanor05 by aus_mus, on Flickr eleanor06 by aus_mus, on Flickr eleanor08 by aus_mus, on Flickr eleanor09 by aus_mus, on Flickr