CAD tip # 11726:

Question

CAD

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Loading 3D models in the OBJ file format to AutoCAD.

AutoCAD does not support importing of OBJ format files by default - see CAD formats - and you will need additional software to convert OBJ->DWG.

But with the freeware LISP utility OBJ2DWG you can import simple OBJ files directly in AutoCAD. This add-on application converts meshes stored in OBJ files to AutoCAD 3D objects of the type PFace mesh. Certain limitations apply - you can convert objects only up to the maximum size of 32767 vertices, the utility will not convert possible colors, materials, smoothing groups and normals.

Download the OBJ2DWG tool from Download, load it with APPLOAD and type the command OBJ2DWG. Enter the name of .OBJ file on the prompt. After the conversion you may need to zoom to the loaded 3D model.

ACADCivilADTACADM

*CAD

12.12.2017 32484×

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applies to: AutoCAD · Civil 3D · AutoCAD Architecture · AutoCAD Mechanical ·

See also:
Tip 14526:	How to export geometry from AutoCAD DWGs to JSON files and import it back?
Tip 14496:	Convert scanned point clouds or photos to BIM objects - Scan-to-BIM.
Tip 14472:	Overview of CAD formats supported in Inventor 2026 (import/export/AnyCAD).
Tip 14471:	What is the Golaem app included in the Autodesk Media and Entertainment Collection?
Tip 14446:	Undocumented options in AutoCAD FIELDs - hyperlinks, hexadecimal or binary format

Selected tip: You may want to convert the solid to a Brep.

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