4 ms·

Result: http://imgur.com/DpcqpMs http://imgur.com/DpcqpMs

• Luc 9y ago
  I printed the images onto A4 paper (held in front of a lamp). It's quite fiddly to get them to match. Very fine sub-mm accuracy needed.
  • grenoire 9y ago
    Not only that, but both sources must be printed at the same aspect ratio and DPI.
  • moondev 9y ago
    just drag the image on top of the other with your mouse
    • Luc 9y ago
      The point is that it's much harder with a hardcopy...