Please note that it's not a good idea to attempt to attach the three patches. I added a note above.



Good luck doing the round though as Maya's Round and Fillet tools are pretty suck-tastic.

This is one of the reasons I don't do full on NURBs work in Maya anymore. I spent quite a bit of time and could not get a decent round within Maya. I had to export the model to Alias. I could also get the solution for this to work including the round within Rhino.

Autodesk should be ashamed at the state of Maya's NURBs tools. Seriously, they are just aweful!