1. Open the cad software and click the print icon above.
2. First name the option and select Last Print.
3. Then set the paper size, select the size you need A3, A4, and so on.
4. Next, go to the most critical print scale, cancel to fit the paper, and then you can select the print scale you need.
5. For example, the unit is mm, and the scale is 1:100. It means 1 mm on the drawing, which is 100 mm of the actual size
6. Finally, the print area selection window will select the range you want to print. Then press OK.