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CAD tip CAD tip # 11337:

Question CAD 
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Q - question

Convert 3D PDF files back to CAD models.

A - answer The publishing file format 3D PDF is not intended for backward conversions and importing to CAD applications. But if such PDF file contains U3D data (PRC B-rep), in some cases it can be convertible back to a 3D CAD model. For such conversion, you can use Adobe Acrobat 3D/Extended or e.g. the plugin SimLab 3D PDF importer for Autodesk 3ds Max.

The plug-in 3D PDF Importer [url verified 2/2017] by a Jordan company SimLab Soft is compatible with Autodesk 3ds Max versions 2010 to 2017+. It simply adds the menu item SimLab > PDF Importer to the Max UI:

By importing a 3D PDF file you can get e.g. such model (mesh data):

using the file Scheda Catalogo (3D PDF, 11.7MB)- the resulting DWG from 3ds Max: see Block library

The resulting 3D model represented in 3ds Max can be then saved (exported) to one of the 3ds Max supported CAD file formats (DWG, DXF, OBJ, IGES, SAT, VRML, etc.).

NOTE: the plugin supports only some types of PDF files, e.g. those from 3D PDF Maker, so first try its functionality on your specific files - use the trial license of the plugin.

MaxPDF
100% *  CAD 
1.3.2017    1271x   FAQ  
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applies to: 3ds Max · PDF ·

See also:
Tip 11113:3D PDF published from Inventor 2017 come out empty.
Tip 9972:Create free 3D PDF output files from any CAD software.
Tip 9698:Data formats supported in Autodesk InfraWorks 360.
Tip 9654:CAD formats supported in online viewer under Autodesk 360.
Tip 8532:Import of 3D DWF files back to editable 3D models.


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