1. Hello, for the shape of the model designed in Free Modeling, if a symmetrical effect is needed, you can use the Mirror function. The operation steps are shown in the screenshots below:

   Enter the Free Modeling interface and draw the required shape.

    

2. For the shape or area that needs to be mirrored, select it by holding the left mouse button or using the Ctrl + G combination.

   

3. Draw a vertical structure at the center position to achieve the symmetrical mirror relationship

   

4. Click through the following steps to achieve the mirror effect. (If you need to copy the mirrored image, press the Shift key during the mirroring process, and a "+" symbol will appear next to the cursor.)

   

The operation gif is shown below: