Issues with the TwoTrees Sapphire Pro, I had to fix immediately

While assembling I immediately had to fix some minor issues with the endstops and I made sure the hotend was assembled properly. During the first prints, I also noticed some weird behavior of the extruder. After some investigation I decided to print a new housing, that fixed most of the extrusion issues. A more detailed videos, what going on inside the heater block: from JS tidbits:    • How to fix a leaking MK8 Extruder   from Nerys:    • Creality Hot End Failure Modeling How to F...   the housing for the BMG I use now: https://www.thingiverse.com/thing:323...