This is a two part camera housing which fits to the frame of a FlyingBear Ghost 5 printer.
It is for this type of wide angle camera:
https://amzn.to/3G7aAB0
The two parts of the housing are screwed together with this screws:
https://amzn.to/3fUVe81
The Camera is mounted to the printer on an existing hole in the frame with only one screw from the same set.
The author marked this model as their own original creation.