Activating the command: Model Preferences.
Enable Model Preview: Deactivating this check box causes the preview area to not show the model you are building.
OpenGL Info: Pressing this button displays the OpenGL information for your system.
Use Hardware Acceleration: If this check box is activated, the dynamic viewing options in the preview area will utilize any hardware acceleration software that is available on your system.
Use Animation when Zooming/Pre-defined Views: If this check box is activated, the preview area will dynamically move to any of the selected pre-defined views.
Decrease Quality wile Rotating/Zooming Model: Activating this check box will change the shading of the model as you rotate it or zoom in or out. This may speed up the viewing process on some systems.
Display Border: Activating this check box will cause a border to appear around the preview area.
Shrink Elements: Activating this check box will cause the elements in the model to be shrunk in the preview area so that you can see the model more clearly. Specify how much you want the elements to be shrunk using the Shrink Factor slider.
Mesh Line Smoothing: Activating this check box will cause the mesh lines on your model to be smoothed over with OpenGL anti-aliasing.
Mesh Line Width: You can specify between Thin, Medium and Thick mesh lines on your model.
Display MiniAxes: Deactivating this check box will cause the miniaxes to disappear from the view.
MiniAxes Location: You can choose where in the window you want the miniaxes display to be.
Display Dimension Scale: Deactivating this check box will cause the scale bar to disappear from the view.
Scale Location: Choose where in the window the scale bar will be displayed.