Highlight the name of the cleanup group for which you want to enable this capability. Expand the Architectural Objects category, then expand Wall Cleanup Group Definitions. If you are not familiar with setting up this feature, go into the drawing that will be xreferenced and open the Style Manager from the Manage tab. This is a huge and beneficial item for users with those needs. There will almost always be a need for mirrored units in those situations. In those situations, a room or apartment file is created and xreferenced into the host file multiple times or copied multiple times in the host file. This feature is very important for those users working with apartments, hotels, or other situations where the same layout is used repeatedly in the building. In AutoCAD Architecture 2010, wall cleanups now clean up correctly when the xref is mirrored, regardless of whether the xref has been copied or not. Either way, walls in mirrored xrefs would not cleanup correctly with walls in other xrefs. If an xref was brought in and mirrored (without being a copy of another xref), then the xref would not cleanup at all. If an existing xref was copied and mirrored, the mirrored version would have gaps in similar locations as the first instance of the xref. As they continued to improve the feature, walls still had problems cleaning up properly when the xref was mirrored. Autodesk has finally fixed a major wall cleanup issue between mirrored xreferenced drawings in AutoCAD Architecture!Д¬leanup between overlapping walls in different xreferenced drawings was introduced several releases ago in AutoCAD Architecture (Architectural Desktop name at that time).

Clean up autocad drawing