This instructable shows how to make the pentagon (paper airplane) I have no pictures but ill try to get a movie
Step 1: Stock
For this you will need:
1 sheet of reagular printer paper
Good work space
set of good hands
Step 2: Phase 1
You need to fold your corner of paper over all the way to the other side like in the picture.
then do the same with the other side
Step 3: Phase 2
fold the tip of it down like the picture.
then fold in half
Step 4: Last But Not Least
fold to wear the side of the wing lines up with the bottom of the plane
Step 5: Video
heres the video