It requires a two-toned eye product, found here.
The non-2T version can be found here.
Instructions - How to change head size:
Step 1. Change the number at 'Scale X', 'Y' and 'Z'.(X = width, Y = depth, Z = height).
Step 2. Click on 'Apply Changes' to see your result!
This image serves as an example. For questions, please contact me.
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