Propellers.7z

Cut along each crease from the corner toward the center, but stop about an inch before you hit the middle.

Start with a square piece of cardstock or heavy paper. Propellers.7z

Take every other corner tip and bring it to the exact center point. Do not crease these folds; keep them rounded so they catch the air. Cut along each crease from the corner toward

Push a pin through all the tips at the center and into the eraser of a pencil. Leave a little wiggle room so it can spin freely. Method 2: Laminated Model Propeller Do not crease these folds; keep them rounded

Fold the square diagonally from corner to corner both ways to create an "X" crease.

Once the glue cures, you can sand and carve the paper stack just like a piece of wood. The different colored layers will create a "grain" look similar to a real wooden propeller. Method 3: Origami Helicopter (Gravity Spinner)

Add a paperclip to the bottom for weight. When dropped, it will spin like a helicopter.