Autodesk Navisworks Freedom: (Windows only) (see also NWD)ģDS (3DS files are created by Autodesk 3DS Max).Autodesk Design Review: (Windows only).Note: Please contact us if you are aware of further free BIM viewers and we will add these to this page. Some of these tools have paid for versions allowing further functionality but this list is designed to assist those without paid for tools open various file formats for viewing (and in some cases other functionality such as commenting or clash detection). The tools are listed by file format in alphabetical order. The following free viewers can be used to review a variety of common model and file formats.