2. Press and hold "Ctrl"+mouse wheel on the keyboard (or drag the bar in the lower right corner) to adjust the observation size of the picture.
3. The result after adjusting the appropriate picture size, note: this adjusted size is suitable for your work, not changing the actual size of the picture.
There is a square in the lower right corner of the picture. Move the mouse here, then hold down the mouse and drag the drawing to the required size.
5. This is the effect after dragging the drawing, and then save it.