How to set the size for printing Bupani CD stickers?

method/steps of pasting Bupani CD

1. Open photoshop and create a new page with the size of A4, as shown below

2. Drag the designed CD to the new page, as shown below

3. Press Ctrl+R to open the ruler, as shown below

4. Drag the CD cover to make. Drag the top and left rulers with the mouse, and drag out a horizontal and vertical reference line respectively, and adjust the diameter of the CD cover to 12CM,

as shown below. 5. Measure the minimum distance from the outer edge of the CD sticker to the perfect circle with a ruler and record it. Generally, the minimum distance between horizontal and vertical is the same, as shown below. 6. Adjust the horizontal and vertical distance between the edge of the CD and the edge of the CD sticker in photoshop. Assuming this distance is 1.5CM, the adjustment result is as shown in the following figure

At this time, in order to ensure that the center of the CD sticker is consistent with the center of the CD, in general, when designing the CD cover, the center blank is not left, that is, it is solid, and at the same time, the size of the design version will actually be larger than the size of the CD, all in order to ensure that the sticker can be completely consistent with the center of the CD, as shown in the following figure.