1. Prepare a square origami, and the color can be selected according to personal preference.
2. Fold the diagonal of the origami in half, and then fold it again, so that the origami presents a small triangle.
3. Align the bottom edge, fold the left corner to the right, and then fold the right corner to the left, so that the origami becomes a diamond.
4. Fold the left corner to the right, and then fold the right corner to the left, so that the origami becomes a small triangle.
5. Fold the bottom corner upwards to make the origami triangular.
6. Spread the origami horizontally, fold the left corner to the right, and then fold the right corner to the left, so that the origami becomes a trapezoid.
7. Fold the right corner of the origami inward, and then fold the left corner inward, so that the origami becomes a small triangle.
8. Fold the bottom corner upwards, so that the origami becomes an inverted triangle.
9. Unfold the origami, and then fold the corner of the upper half down, so that the origami becomes a small triangle.
10. Fold the bottom corner upwards, so that the origami becomes an inverted triangle.
1 1. Unfold the origami, and then fold the corner of the upper half down, so that the origami becomes a small triangle.
12. Finally, the small triangles on both sides are folded inward, so that the origami presents a three-dimensional black dragon shape.
This is just a simple three-dimensional black dragon origami tutorial. If you want to make a more complicated version, you can search for a more detailed tutorial or video guide online. Remember to practice folding patiently and enjoy origami!