Kinda the same process as what I described. Whiskey bends like these for one of the skidplates I made for my Tacoma....
_MG_6403 by Adam Tolman, on Flickr
_MG_6402 by Adam Tolman, on Flickr
_MG_6405 by Adam Tolman, on Flickr
_MG_6431 by Adam Tolman, on Flickr
Or, cut pieces like my front...