How to make master controller UI show again for editting?


I’m trying to make a rig with master controllers. My question is, is there a way to edit a pre-existing master controller? How do I make the UI for the mc that I made show up again? It seems like if you close the initial UI window then there’s no way to make it come back for additional editting, do I have to make a new mc everytime I want to make a fix?



Indeed, it is not possible to modify again the grid you created once you made it.
The thing you can do though is to save the grid as a preset inside the grid wizard and you could then recreate a new one and using the preset to start from there.