You can get around this by having a 'project zero' that is agreed upon. As landscape architects, we always work in World Coordinates, so here is a workflow for allowing smooth file sharing:   1. Set up your drawings in the correct WCS.   2. Set your user origin to match the coordinate system.       3. Set your internal origin to the agreed or desired '0,0' for the project (somewhere nearby of course) by using the Geolocate tool. 4.