1 and the length of four-foot rice paper is 137 cm.
2. Leave the upper and lower 2cm as the remainder, accounting for 19cm per word (including interval).
3. Leave one end 2 1 cm (2 cm on the side). After the above time is long, you can rely on experience). After leaving 2 cm on the other side, align and leave a line 2 1 cm, so fold it in half;
4. Fold both ends in half again;
5. Fold both ends in half.
6. If you need an interval, you can fold both ends by half of the interval.
In fact, you don't need to fold intervals, just write in the middle of each one when you write.
In this way, it is seven words.
After a long time, there is no need to measure how many centimeters. According to experience, it is no problem to fold in this way.