Paper Airplane

It May seem a little weird but it flys good.

Step 1: Basics,

Fold the corners until they're touching.

Step 2: Envelope

Now make it into an envelope.

Step 3: Triangle Strip

Now fold both corners until only the triangle strip is showing.

Step 4: Corners

Now fold the corners until touching the triangle strip.

Step 5: Half

Now fold on half. You now have a paper airplane glider. You can now decorate it or fly it.