I'm using both FPD and MSPC to try to reproduce something similar to this. When I asked in the Envato forums you said it was possible.
So, I don't know how to change the material of the whole shirt and then have the same material when choosing the collar model, for example. Sometimes, the customer will choose a different material for the collar.
I tried following your tutorial here, but it's too simple for my needs. How would you go about achieving this?
You'd need to define only those variation combinations with the same collar and shirt material. That way only that combination can be picked.