1. Type EDGE in the command prompt
Command: edge
Specify edge of 3Dface to toggle visibility or [Display]: Pick edge
Specify edge of 3Dface to toggle visibility or [Display]: D
Enter selection method for display of hidden edges [Select/All]: A
/** Regenerating 3D face objects ... Done. **/
Specify edge of 3Dface to toggle visibility or [Display]: Press ENTER
