A Rectangle to a Square

Most of paper-folding art work use squared paper. But it is easier to find rectangular papers around us. Since paper-folding follows the symmetric rules often, it is better to have an exact square if necessary. Here is the direction how to make a square out of rectangle without using a ruler and a pencil.





1. Get ready with a rectangular piece of paper vertically as shown.





2. Fold top-right corner to left edge as shown. Make sure left edge lines up.

3. Cut out the leftover area that does not overlap as shown. Now you have a square!!

This method is usful in many ways, but you must start with an exact rectangular sheet of paper which has right-angled corners.