How to Convert Inventor to 3DS Max
- 1). Open Inventor. Use the tools of the program to create your model. Select "File" from the menu and choose "Save." In the dialog that appears, name the file, choose the location you want to save to and save it in the standard Inventor format (.IPT or .IAM).
- 2). Close Inventor and open 3DS Max. Click on the 3DS Max logo on the upper left corner and choose "Import." From the listed options, choose "Import." The "Import" dialog will appear.
- 3). Change the "File of Type" to "Autodesk Inventor." Browse to the location of the file you want to import. Select it and click "Open." The model will appear in the view.
- 4). Choose the options that you want in the dialog that appears, such as whether the imported model should use the Inventor textures and the resolution of the mesh. Then click "OK."
- 5). Click on the 3DS Max logo again and choose "Save As." From the options, choose "Save As." In the dialog that appears, name the file, choose the location to save to and choose "3DS Max" as the file type. Click "Save."
Source...