Re: Custom tab of the Expression Editor
According to the online manual, up to six custom groups (24 thumbnails) is the design since v5.4.
https://www.reallusion.com/iclone/help/3dxchange5/pro/04_Modify_Page/Face_Setup_Section/Creating_Custom_Puppeteering_Profiles.htm
The iClone Face Puppet panel has also corresponding design of six Full Face Control for 3DX_Custom.
Fig
Thank you,
Hiro