Step 1: Prepare two small pieces of paper, either square or rectangular, as shown in the figure below.

step 2, fold two small pieces of paper in half respectively (the color faces outward in case of single face), as shown in the following figure.

step 3, then one of them is folded in half, and the other one is folded in half and then turned over, no matter how wide or narrow it is, as shown in the figure below.

step 4, then insert two pieces of paper together, and then align the sides, as shown in the figure below.

step 5, the two "small edges" are not moved, and the "big" part is folded at a large angle, and then the inner and outer sheets are folded together, as shown in the following figure.

step 6. then, fold the two "small sides" together. the direction doesn't matter, as long as the top can be kneaded, and the bottom can be used as the "bottom", as shown in the following figure.

step 7. finally, pull the top flat (if you want to have a bulge in the middle, you can pinch a small edge carefully, and it's okay if you don't pinch it), and then adjust the bottom again, so as to stand up, and the simple ingot will be folded here, as shown in the following figure.

: Yuanbao is made of precious gold or silver, which is mostly silver, but gold is rare. In the monetary history of China, gold and silver were officially called "Yuanbao", which began in the Yuan Dynasty. However, as early as the beginning of the Tang Dynasty, when Kaiyuan Tongbao came into the world, the people took it as huge and precious, which was interpreted as "opening Yuanbao", while the Yuan Dynasty called gold and silver money "Yuanbao", which was the treasure of the Yuan Dynasty.