Solution to the method of folding paper from calligraphy seven-character couplets

The method (illustration) of calligraphy seven-character couplet folding paper is as follows:

Tool: couplet paper.

Specific steps:

1. First, fold the couplet paper in half.

2. Fold in half again.

3. Fold it in half again (a quarter).

4. Fold in half again (one eighth).

5. Fold diagonally.

6. The other diagonal line is folded in half in the same way, and seven squares appear in the middle of the expansion.