Figured was time to update the ~450MHz Yagi Antenna that's a cost effective made in the USA clone of a Chinese antenna found on Aliexpress. <a target="_blank" rel="noopener noreferrer" href="https://www.instructables.com/-450MHz-Yagi-Antenna/">https://www.instructables.com/-450MHz-Yagi-Antenna/</a><br><br>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. <br><br>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. <br><br>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. <br><br>I know with the Slik the 6122 is the quick release model and for the Vanguard the QS-05/QS-06 are the quick