Re: How to align things to a specific axis?
3.7 will include vertex->align to axis(x, y, or z) (and mirroring too) but you can easily do it in 3.6:
Select both of your eye shapes and resize the selection (to zero) from the side that isn't aligned to the axis and all vertices will be aligned with each other.
Hold down the control key when you move objects to constrain to horizontal or vertical movements.
Andy
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