Eyad Hussein shares some of his experiences with facial rigging class at AnimSchool, and provides some insights to the facial rigging process with a pretty great post working with the Jane Porter Rig from Tarzan.
One of the main problems that you will face with the mouth opening is that you lose the sharpness of the smile and of the frown
Eyad provides a little walkthrough of the key features, things to look and look out for when creating a facial rig, expelling some insights into a character’s mouth shapes, eyebrows, nose and head deformation. Eyad also discusses what to consider when creating a fcial rig and facial shapes. Check out Eyad’s review of the Advanced Rigging Workshop here.