Model viewer enables to view .3ds, .obj, .blend and .an8 files. 

• The location of the file is shown.
• The object can be
  • moved left, right, forward and back with keyboard keys
  • rotated with a mouse.
• Wireframe can be on or off.
• Background color is changeable (blue, white or black).
• The infopanel shows
  • possible action keys
  • frames per second (FPS)
  • the number of faces. 

To use model viewer right click on a 3D object file and choose 3DMLWBrowser to open the file.