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
Mini Bladeless Fan
BoomZilla1
Tube Profile System
Jiri Blazek
Tube straightener 12 inch
Eli Klappenbach
Filament spool
TV-SHOT
Rocktopillar
Rychalla
Ring of Filaments
Ralf Schmitt