'True mirrors' and 'Infinity mirrors'.
Weeeeeell, I had a good look on the net & can't find a proper guide to making one.
Basicly its a mirror that reflects a image back to you of your face, but as others see it.
It does this by having two front silvered mirrors standing vertical as normal, at 45 deg to each other. The right mirror picks up the image of the left side of your face, but projects it to your right eye.
Same with the other side.
So what you see is your face as others see it.
Standard price for these seems a expensive US$200 each. Wow, all it is is a customwood box made spesh for the mirrors!
http://en.wikipedia.org/wiki/Non-reversing_mirror
http://makezine.com/projects/make-31/true-mirror/
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While searching I found out about the Infinity mirror, I have seen small versions of this in $2 shops here. Full size is pretty amazing though!
Infinity mirror.
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