MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
I printed V.11 fin with esun PLA+ layer = 0.12, 4 walls, 50% triangle pattern infill, speed 50.
I think it not your fault because after that, I printed the original Hero me dual 5015 and it bendind at the same spot :(
Maybe, when you release V13, I will redesign by stuff the bar it with a long screw