when you apply a matrox 3d tile, the 3d tiles page appears:

to set up a 3d tile:
1 choose the type of effect you are looking for in the directory.
2 click the particular effect you want from the effect list.
3 to see a preview of your effect at any time, click the preview button.
4 to change the settings for your selected 3d tile pattern, select allow changes, then use the 3d tile modifiers as follows:
- rows sets the number of rows in your 3d tile pattern.
- columns sets the number of columns in your 3d tile pattern.
- spread determines the number of tiles that rotate at the same time.
- softness sets the softness on the border of your clip and on the edges of the tiles.
rotation type select a type from this list to change the orientation of the 3d tile pattern.
5 if you want to apply custom settings to your effect, see "creating a custom 3d tile" on page 79.
6 if you want to apply or change various transform settings, such as to change your clip's size, position, and rotation settings, see "transforming your clip" on page 123.
7 when you are satisfied with your effect, click ok to return to your timeline.