1, prepare 1:2 origami, and fold diagonally first. 2. The polymerization method of double triangles. 3. Fold it again. 4. Pull out the part just folded in and fold it into a triangle. 5. What it looks like after being crushed. 6. Fold the left and right sides of the left model towards the center line. 7. Fold the lower layer symmetrically inward. 9. Fold it into a diamond and make a circle. Pay attention to fold the crease clearly, and the final diamond ring will be beautiful, the small expression will be more vivid, and you can add your initials.