Note: If your changes results in a geometric impossibility, or cause problems in subsequent functions, you will be warned by the Conflict Solver.
Editing the Corner by the Feature Guide
Right-click the Corner name in the popup menu that appears, select Edit Feature.
The Feature Guide will appear, automatically open to Required Step 1. The edges will appear as selected and can be unselected as required.
Press OK 
in the
Feature Guide to complete the function.
See also: