With a new (used, like I'm going to buy new) MPSM V2 at hand, I decided I needed to print a quick release for the Slik U9000 that was a specific design for the 1" square aluminum tube of the antenna.
First, I figured I'd start off with the other two of the three tripods that were missing quick releases and either remix or make from scratch.
Radio Shack RST-84V, Vanguard RST-216 and the Slik U9000 quick release variations are what resulted. These quick releases most likely have other tripod makes and models where they can be used.
I know with the Slik the 6122 is the quick release model and for the Vanguard the QS-05/QS-06 are the quick