The first step is to open the AI software and create a new document. The unit should be mm, and the color mode must be CMYK. The bleeding value is set according to printing.

Step 2, right-click on the drawing board to display the ruler, which is the ruler.

The third step is to drag the ruler and pull out the dividing line, which is convenient for designing the three-fold page.

Step 4: Draw a rectangle with the same size as the sketchpad as the background and fill it with color.

The fifth step is to determine the triple content and set it in a suitable position, which is demonstrated in the lower left corner here.

Step 6 The Rectangle Tool draws a big rectangle, rotates it, and then subtracts the unnecessary parts with the Shape Generation Tool.

Step 7, set the gradient color to increase the effect of three folds together.

The eighth step is to add various shapes to enrich the whole picture.

Finally, fill in the required text and you can complete the ninth step.