Hi there,
I just noticed that when you swap out the TS mesh most of the design features will work like move and split surface. Just commands like Fillet break. I am not sure if there is an ability to auto redefine the resulting edge for the fillet command.
Here is a screencast:
https://drive.google.com/file/d/0Byzv_NlyKp_2dVFqR2NVRFhjRjA/edit?usp=sharing
