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Plastic Screen Media Decoder Answered

Hi Guys.

I've seen a print ad that had a plastic 'zigzaggy' decoder gizmo stuck to it,  that I could peel off and use to 'decode' media as I slid the plastic over my screen, over a particular picture on their website.  The refraction of the plastic would 'decode' the image.

What on earth would this kind of mechanism be called?  I'm trying to Google 'something' of a how-to...

Not having found anything, I'm turning to the craftiest bunch I know ;)

Thanks for your help.

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lemonie
lemonie

11 years ago

In addition, if this does use refraction, there's a lens-effect magnifying selected parts of the image.

L

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Saeven
Saeven

Reply 11 years ago

I've dug around, and thing it may use a process similar to lenticular printing..

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Kiteman
Kiteman

11 years ago

Two thoughts:
  1. It's a simple colour filter, disguised with a zigzag pattern - the "coded" image was simply hidden amongst coloured patterns.
  2. The image was posted in stripes of "proper" image alternating with stripes of gibberish.  The zig-zags covered the gibberish with a uniform colour, allowing you to distinguish the "proper" image.

Any links, photos or screen-shots?