Fold a square piece of paper in half diagonally
Fold it in half again to make a smaller triangle
Fold the triangle into thirds or quarters, depending on the shape you want
Trim the top edge into a point or curve
Cut small shapes along the folded edges
Make tiny triangles, curves, or slits for a snowflake pattern
Avoid cutting all the way through the folded sides
Unfold carefully to reveal the snowflake
Flatten it under a book if needed