Check this out.
This Leah Ambigram is a nice short symmetric ambigram that is an engineered optical illusion at work.
Take a look to the left, and you will see that this typographical marvel says 'Leah' one way and also says 'Leah' the other way (or is it the other way around?).
Simply mouse over the design to see it rotate.
If you wish, you can create other ambigrams by clicking the Create New Design button here.
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