Reproduction of the legris knurled straight fitting (part 3171 04 20) found on the ghost trap pedal prop from ghostbusters.
It will be best printed in resin as the details are very small. It will fit a 4mmOD yellow tubing.
3D Printed Ghostbusters Props official facebook group
https://www.facebook.com/groups/3DprintedGBprops
The author marked this model as their own original creation.