Hey all, I have recently been having some extrusion issues with my UMO+ and upon completing some atomic pulls noticed some issues right away. I figured it might be interesting to try to diagnose the hotend via atomic pulls as this is something I have not seen anyone do. In the first image you can see a nice atomic pull tip in the exact shape of the nozzle followed by a necked region. The necked region has a "collar" in the center which I believe corresponds to where the nozzle and throat m