Advice on straightening a bent PC case???

[spaceman]

it isnt dented,its just the frame is slightly shifted.
any tips on an easy way to make it true again?
links to this are appreciated!
btw i know this is atot.

 

[jlee]

Hmm.

Phsyical exertion? Honestly, that's all I can come up with

 

[Nohr]

Nothing some whiskey, a hammer, and a bit of duct tape couldn't fix!

Okay so I have no idea. Maybe use a block of wood against the frame and hit that with a hammer until it's straight?