C. Paper Cup
1. Fold corner A up to rest on corner B. Press fold with thumbs.
2. Fold corner C to midpoint of opposite side A - D.
3. Fold corner D up along dotted line to touch corner E.
4. Fold corner A downward as far as it will go.
5. Fold corner B downward as far as it will go on back side.
6. Your paper cup is finished.