K1 Max CFS Extruder PTFE Bowden Tube Adapter

CFS extruder is a bit higher than the original one. The original stl pushes the pneumatic ring when the chain cable screwed tight and causes the ptfe to pop up. So I cut the bottom side of the tube holder for 2mms, and incresed the top length by 3mm. So it doesnt push the pneumatic ring down and ptfe stays in place, while the top part helps the filament get inside the extruder without making the printer travel to align the filament. It ended my filament change problems and shorten filament changes. Also it relieves the stress on the CFS motor and prevent pneumatic connector pop out due to the vertical force it facing.