VIViewer

You can open a lot of 3ds files together, scale and rotate the 3ds-objects, walk around and inside the 3ds-objects, use four arrow buttons for rotate or walk around the object, use "plus" and "minus" buttons on numpad for scale the object, and use "Man" button on toolbar for switching "walk" or "look" mode.
Price USD 12
License Free to try
File Size 4.61 MB
Version 1.1
Operating System Windows 2003, Windows 2000, Windows Vista, Windows 98, Windows Me, Windows, Windows NT, Windows 7, Windows XP
System Requirements None