What is the tutorial for making blind boxes?

Step 1: First, prepare a square piece of paper with a side length of 15cm. See the figure below:

Step 2: Fold two adjacent edges in half with a width of 1cm. See the figure below:

The third step is to fold the paper in half. See the figure below:

Step four, turn the long side out and stick it on. See the figure below:

Step 5, fold the paper in half and unfold it. See the figure below:

Step 6: Fold to the angle of the center line. See the figure below:

Step 7, then fold as shown in Figure 2, and unfold after folding. See the figure below:

Step 8, then fold as shown in Figure 2, and unfold after folding. See the figure below:

Step nine. All four corners should be folded, as shown in the figure below. See the figure below:

Step 10: Fold and unfold. See the figure below:

Step 11: Fold out the basic shape of the box along the crease. See the figure below:

Step 12: Fold out the bottom as shown in the figure, and paste each step. See the figure below:

Step 13, just stick the top and the box is finished here. See the figure below: