A simple hanger that fits on a pipe. Parametric design, so you can change the diameter. Default pipe diameter is 21mm, i.e. of the FreeCAD file and the .3mf model file.
This model was created and can be changed with FreeCAD realthunders branch (https://github.com/realthunder/FreeCAD/releases, Stable 2024.10.03)
The author marked this model as their own original creation.