car vacuum hose coupler
thingiverse
hose coupler for large car vacuums. the kind you find at car washes and the like. I am sure it can be scaled to fit other size hoses but note. it is LEFT handed thread. you may be able to mirror it in your slicer if you need standard threading
Download Model from thingiverse
With this file you will be able to print car vacuum hose coupler with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on car vacuum hose coupler.