Hey Everyone,

Wanted to first thank you all in advance for any help you can provide.  I have a very basic sheet metal part (made by someone else - my job is to dimension it) that I'm in the process of dimensioning.  The part looks very simple, however when I examine it closely, the bottom lip isn't perfectly horizontal...could this be a mistake on their end and I should dimension it as if the bottom lip is at a horizontal bend?  Or is this a standard practice of sheet metal dimension/design?  Am I missing something or overlooking anything?

This is a homework assignment, so before I ask for clarification, I'd like to get the communities engineering advice on it first....

Any help/clarification would be great!