How to output the carton three-proof mark in outline format in cdr?

We are from Guangzhou Wanting Laser Factory, and cdr is output in outline format. Please refer to the figure below for explanation. Figure 1: First, select the bitmap and find tracing-outline tracing-line drawing in the toolbar. A dialog box as shown in Figure 2 will pop up. According to the actual situation of the picture, adjust the parameters in the red box and compare them several times to know the effects of different parameters. Just choose the most suitable one. Finally, export DXF or PLIT format.