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Tip: You don't want to lose details in your original CAD file. The following sections outline what you need to look for and how to resolve any potential conflicts between CAD elements and SketchUp. When you take a few steps to check and prepare your CAD file before import, you can make sure all the data you need imports into SketchUp and streamline the import process. Preparing a CAD file for import into SketchUp If an element isn't supported, SketchUp simply ignores it when you import the CAD file. The following table outlines what CAD elements SketchUp does and doesn't support. Understanding what CAD elements SketchUp can import Exporting a SketchUp Model as a 3D CAD file.Exporting a SketchUp Model as a 2D CAD file.Understanding how SketchUp data is exported to CAD format.Preparing a CAD file for import into SketchUp.Understanding what CAD elements SketchUp can import.Add the AutoCAD drawing file to ArcMap to modify features.Navigate to Layer Manager, and turn on, unfreeze, or unlock any layers which are turned off, frozen, or locked.Take note of the units used to create the file. Navigate to Insert > External References, and detach any external references attached to the file.If the name contains spaces or hyphens, substitute both characters with underscores. Save a copy for the drawing file in AutoCAD with a name that does not contain spaces or hyphens.If possible though, use of Object data in AutoDesk files which are brought into ArcGIS Desktop should be avoided. If these files are opened and re-saved in AutoCAD, some of the Object data may be converted to entities that draw in ArcMap or convert to a geodatabase. Note:ĪrcGIS Desktop does not support features created in AutoCAD Civil 3D or AutoCAD Land Desktop using Object data. The following steps are useful when applied to an AutoCAD drawing file in the native application, before adding the file to ArcMap. This article provides instructions for adding AutoCAD drawing files to ArcMap, identifying problems that may prevent the data from drawing, and tips on correcting these issues in AutoCAD. How To: Display an AutoCAD drawing file in ArcMap Summary