Make a paper square.
Start with a square of paper, preferably one that is thin or lightweight. Use square origami paper or use these simple instructions to fold any rectangle piece of paper into a square.
Draw an arc and cut.
Using a pencil, draw an arc that begins at the top corner of the triangle’s vertical side and ends approximately half an inch from the bottom of the other side. The petals of a flower are shaped according to this arc. Streamline the arc.