Propellers.7z

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

For hobbyists making scale planes, you can "laminate" paper to act like wood. Propellers.7z

Add a paperclip to the bottom for weight. When dropped, it will spin like a helicopter. Push a pin through all the tips at

If you want something that spins as it falls, try a basic cut: Cut a strip of paper (about 1x6 inches). Cut a slit halfway down the middle of the strip. Fold the two resulting flaps in opposite directions. Add a paperclip to the bottom for weight

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)

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

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.