Mudbox should be capable to use Open Subdiv dialog or another similar method to control creasing of borders in the subidivision of the meshes, diferent to only turn off Smooth Positions or using Smoothing groups setted in MAX.
Greetings:
Sergio Mengual
3D Artist-3D Generalist-3D Character Artist
https://www.artstation.com/artist/sergiomengual
https://www.facebook.com/Sergio3D2D/
https://www.youtube.com/user/sergiomengual
