Here's my custom eye rig that I posted yesterday in motion. Still a work in progress, gotta rig the eyebrows. Here's a preview. Topology at the end. : r/blender
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How to create 3D oval eye rig with scaling iris in blender 2.8 | IGTV, video recording | Model and Rig an eye ball using blender 2.8 , Step by step tutorial,