Apple Motion 2 Tutorials - Manual (Page 220)

220 Tutorial 5 The Replicator
The default colors of the gradient appear in the pattern, with the red starting at the
center and moving toward blue at the edges of the Canvas.
2 Choose Rainbow from the Gradient Preset pop-up menu.
Now, change the Origin parameter in the Replicator tab to further emphasize the basic
properties of the pattern.
To change the origin of the replicator pattern:
m Choose Upper Left from the Origin pop-up menu.