用HOOPS 3D Part Viewer查看了下模型，显示效果很不错！
Figure 1 Train chassis
Figure 2 Office building
Figure 3 Piping plant
Figure 4 Formula
Figure 5 suspension
Figure 6 Luxury car
Figure 7 Toycar
Figure 8 HP mouse
Figure 9 Tractor
Figure 10 ball
Figure 11 NURBS surface
Figure 12 Connection Rod
