What are the tutorials for making blind boxes and bags?

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

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

The third step is to fold the paper in half.

Step four, turn the long side out and stick it on.

Step 5, fold the paper in half and unfold it.

Step 6: Fold to the angle of the center line.

Step 7, then fold as shown in Figure 2, and unfold after folding.

Step 8, then fold as shown in Figure 2, and unfold after folding.

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

Step 10: Fold and unfold.

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

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

Step 13, just stick the top and the box is finished here.