3D graphics saved in 3D Studio Max's 3DS format can be possibly exported and saved in 3D ACIS model format (*.sat) with AutoCAD or similar software that supports both of these file types.
Convert 3ds Max (3D Studio MAX) graphics to 3D ACIS model file.
We have found 3 software records in our database eligible for .3ds to .sat file format conversion.
Microsoft Windows software - convert 3ds to sat on Windows
Leading 2D and 3D CAD development software from Autodesk
Convert from 3ds file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned 3ds to sat. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A converter for 3D formats
Apple macOS / Mac OS X software - convert 3ds to sat on OS X
Mac version of popular Autodesk AutoCAD software