3 ms·

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

• TeMPOraL 12y ago
  Come to think of it... print a cylindrical projection of the photo and then wrap around a cylinder...
  • deleted 12y ago
    [deleted]
  • Groxx 12y ago
    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.