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.
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. Propellers.7z
Start with a square piece of cardstock or heavy paper. If you want something that spins as it
This is the fastest way to make a propeller that spins when you blow on it or run with it. Propellers.7z