2. Then, remove the frame of the building block, as shown in the figure below.

3. After removal, disturb the building blocks inside, as shown below.

In fact, this building block was removed when it was disturbed, as shown in the following figure.

Because this piece is as big as the other two pieces, as shown in the figure below.

6. Then, when you disturb it, press the piece in your hand, as shown below.

7. When this piece is near the edge of the table, take it off the table, as shown in the figure below.

8. Now this piece has been dropped, as shown in the figure below.

9. Falling will only make up the extra two pieces, so the area is the same, as shown below.

10, that's it. After you put it together, you can frame it, as shown in the figure below.