Step 1: Start running your fast CAD editor software on the computer desktop, and open the CAD drawing file you need to edit in the open command attribute of the software.

Step 2: After the CAD drawing file is opened, you can find the function setting of marquee enlargement in the menu property box above the software, and then find the layer lines that need to be modified on the drawing.

Step 3: After finding the linear layer to be modified, click Viewer-Layer in the menu properties at the top of the software, and then click Activate this function property.

Step 4: Click to activate this function attribute, and a pop-up box will pop up. After we enter the pop-up window, click the line width behind the layer we want to modify. In the drop-down settings, we can click to modify the line width. Once set, just click Close Window.

Step 5: Finally, after editing the file, click the Save command under the file, name the file, and then save the drawing file to the specified storage path.