1、Subverting the traditional copy station requires a manuscript + light to be able to copy. Finding a manuscript is a headache (especially for students, either paying for a fixed copy of the book, or spending money on a printer) to print or buy. And this is an unneeded manuscript, using a mobile phone picture, or the picture taken by the user, which is completely well, and you can draw what to draw as you want. 2、In the animation industry, it is definitely possible to replace all A4 copy stations currently on the market. It is not fragile, no electricity and no magnetic. In splicing type, it is very convenient to carry. And it is very convenient to use the zoom in and out function in the picture of the mobile phone to draw pictures. 3、Simple, practical, no need for a draft, it is very convenient to use, any picture can be painted, and it is ready to draw anytime or anywhere. You can get photos with your phone or tablet , which means that it can be taken, and it can be inside equipped already. 4、Using conversion software, it means that (Chinese sketch masters, foreign ones, the mobile phone itself also comes with) to convert pictures into sketch line drawings, favered color can not be turned. It can mirror the picture in the phone or tablet and what mirrored is reversed. 5、Placing the phone or tablet on the desktop, and you shall place the lens on the two shelves, moreover, the lens is in the middle, the phone is on one side, and the required white paper is on the other side of the lens. Using projection to lean drawing, it can adjust the brightness of the phone or tablet to the desired effect.