Feel like dropping a quick note to a friend or loved one using a lovely stamp and those friendly folks at the post office? Then check out the downloadable templates at LetterFu that let you print out a foldable paper letter/envelope. Learn how to fold a standard letter-sized or A4 sheet into an envelope and start sending those missives! Several styles are available and LetterFu encourages you to create your own designs as well. Write on!