1. "Save as" from Inventor as an ACIS (.sat) file.
2. Create a new Autocad File.
3. Import the .sat file you just created.
Should work fine if you use the right template file (units of measure) to create the Autocad file.
For example:
If you used "English .ipt" when you created the Inventor file then use "Inches" when you create the Autocad file.
