A 3D model saved in AutoCAD 2007 is often 30-50% larger than the same model saved in AutoCAD 2010 or later. What is a "Normal" File Size for 2007? There is no single answer, but based on industry standards from that era, here is the rule of thumb:
| Drawing Type | Typical Size (2007) | Warning Sign | | :--- | :--- | :--- | | 2D Residential Floor Plan | 500 KB – 2 MB | > 5 MB | | 2D Commercial Set (20+ sheets) | 3 MB – 8 MB | > 15 MB | | 3D Mechanical Part (Solid) | 1 MB – 4 MB | > 10 MB | | 3D Architectural Massing Model | 15 MB – 40 MB | > 100 MB | | Heavy Civil Contour Map (DWG) | 8 MB – 25 MB | > 50 MB | autocad 2007 file size
While Autodesk has released 17 newer versions since 2007 (RIP, .dwf), understanding how that specific version handled data is crucial for data migration, storage optimization, and collaboration. A 3D model saved in AutoCAD 2007 is