How to convert 3D Models from AutoCAD (or Inventor) to Blender

How to convert 3D models (solids) from AutoCAD or Inventor to get them into Blender. Timestamps: 00:00 Intro 00:30 Fast Answer 01:25 Slow Answer for AutoCAD 05:26 The same but for Inventor 05:47 Hint 1 - With Open Source i can&find a way vice versa 06:44 Hint 2 - Be patient! 06:53 Hint 3 - Regarding texturing a lot of small pieces 07:10 Hint 4 - Regarding 2D-plans 07:31 Outro Die deutschsprachige Version ist hier: Quick description: Open the model in AutoCAD and export it to IGES format. Use the CAD-Assistant to import the IGES and convert it to OBJ format. The OBJ file can then be imported into Blender. Scaling by 0.1, possibly several times, may be required after import. CAD-Assistant: Playlist of Chocofur (2D-Plans into Blender): Music Lazy Walk - Cheel (YouTube Audio Library)