[Raphmedia]

I'm sure it could be done with paper folding.

[TeMPOraL]

Come to think of it... print a cylindrical projection of the photo and then wrap around a cylinder...

[Groxx]

And then point a projector at it to warm up the paper at the right places.

I really wish biometrics would quit claiming to be significant improvements over anything but writing your password on a post-it on the computer. They all fall very quickly.