A quick and useful look at creating a simple wiggle expression in After Effects that wiggles in only one dimension or along one axis by tutorial author Andrew Devis. Check out the After Effects Wiggle Expression on 1 Dimension tutorial here.

From the tutorial description: “In this short tutorial, Andrew Devis demonstrates how to ‘wiggle’ a single dimension with the wiggle expression. This is particularly useful for any type of animation that require a random type of movement in one axis only so as to save excessive keyframing of the scene.”