1)
VizUp Professional 2.2.2
VizUp Professional enables you to reduce the number of polygons in a complex 3D model while retaining the quality and appearance of the original. The end result of the reduction is a 3D model with a well-balanced level of details and size. 2)
Action3D Reducer Demo 1.1
Action3D Reducer is a great polygon reduction tool that changes the level of detail in real-time and creates both .3ds and .x files.