To Set Area Culling

To set area culling

1. Click Home tab Project panel File Options .
2. In the File Options dialog box, Culling tab, select the Enable check box in the Area section.
3. Enter a value for the screen area in pixels below which geometry objects are culled. For example, setting this value to 100 pixels means that any object within the model that would be drawn less than 10x10 pixels in size are discarded.
4. Click OK.