What if there is no Mi Zige in the copybook?

You can use the Grid Inspector to help you grid. There is no Mi Zige in the copybook:

1 First, use a grid checker, grid.

Secondly, you can prepare a measuring ruler and a pen. If it is a blank picture, you can measure the spacing and draw a grid.

Finally, if it is a book with horizontal lines, you can measure the distance from left to right.