“Why the Heck Would You Want to Fold an Envelope? If you are not into envelope and letter folding you may wonder why one should go to the trouble of folding up an envelope when you could just buy one from a stationery store. Well, first off, it is the very nature of hobbies that they tend not to be entirely practical. In spite of that, hand folding letters and envelopes is one of those rare intersections of decoration and practicality, where paper folding produces the satisfaction of making something useful and novel.”