Triangle origami course

Square colored paper is folded diagonally into an equilateral triangle, and the corners on both sides are folded into top corners and then folded in half. Similarly, fold two origami sheets of different colors in half and insert three solid triangles together.

Folding method of simple triangle

Fold the square colored paper into a rice crease, fold it in half along the crease after unfolding, hold it and fold it inward, and the same is true for the other side.

Folding method of sealing triangle

One side of the rectangular colored paper is folded into a cut triangle, and the other two sides are folded into small triangles. After unfolding, fold the sleeping sorrow upward to expose the animal plastic, and put the other side into the gap to fold the sealing triangle.