2 Fold the folded paper in half vertically and horizontally, and then fold it into four uniform columns after leaving the edge.
The four pillars in the middle are even, and each side has two to three fingers wide. Note that this even-numbered origami should be folded from the middle, first folding the grid, and then leaving the edge.
4 Start from the middle and fold horizontally. Leave an edge about four fingers wide and fold it.
5 Fold the left edge.
6 Fold the blank line in the middle.
7 After opening, count the squares.