1. Open a blank CAD template.

2. Select a rectangle in the left toolbar, or click to draw a rectangle.

3. Click the left mouse button (black area) in the model.

4. Enter d at the command line and press Enter (you must know the length and width of the board).

5. Look at the command line and enter the length and width of the board.

6. At this point, a rectangular box will appear in the model. Click the left mouse button to complete the rectangular box, and then put the graphics or words that need typesetting into the rectangular box for reasonable arrangement.