Filament 18mm wall feedthrough with M6 PTFE couplings
Free     Printables     Martin Pfeiffer

Filament 18mm wall feedthrough with M6 PTFE couplings

Filament wall feedthrough through an enclosure eg IKEA Platsa with M6 thread on both sides for PTFE coupling ...

similar models —

Filament 18mm wall feedthrough with M6 PTFE couplings alternatives
Wall Hook
Hugo Pereira