2. First, draw a square on the colored paper board with a pencil.
3. Draw four rectangles with the same size outward from the four sides of the square.
4. Draw four triangles and draw the height of the triangles.
5. Draw two trapezoids with the same size outside the upper rectangle and the lower rectangle.
6. Draw two rectangles with the same size on both sides of the left and right rectangles.
7. Draw half hearts on both sides of the left and right rectangles.
8. Cut the paper along the outermost contour of all the figures with scissors.
9. Cut out two adjacent heart-shaped lines with scissors.
10, fold out all creases.
1 1, four triangles are folded into the box, and the sides of the box are there.
12. Insert two hearts alternately and a gift box will be made.