★How to realize the partial symmetry constraint of elements

Issue:

How to realize the partial symmetry constraint of elements

Solution:

1. Click the Add Constraints command in the sketch environment.
2. First select the center line, and then select the two lines that need to be constrained respectively.
3. Click the Constrain arcs/circles/lines symmetrical about a line button, then click OK.
   
4. The effect is as follows.