In Revit, we have 3 coordinate origin points. If you want to understand the differences and how to manage them, I recommend this post by revitpure.
Although it is important to correctly manage all of this, I still prefer having a real thing that helps me visually see if the different models are aligned.
We first need to choose a reference point hch will be the same for all files, including those of collaborators. It is better if it is something that:
The problem with a point is that it does not have a direction, it doesn’t tell us if a file is correctly oriented. This is why i recommend to place a family, in this case half a cube, to easily find and align it in plan and 3D.
You can download the file here below: