support ring to fix and plug ptfe tube if filament 1 75mm is not in use —

Founded support ring to fix and plug ptfe tube if filament 1 75mm is not in use models & stl files for printing
Filament Guide
jjpowelly
tube slingshot
Brokenrobot4
Filament Cleaner
jjpowelly
Tube with spiral way
amazingafanti
PTFE spacer
Louis Menke
Tube Press
stainles