MLI (Multiple laser image) is created by engraving two images into a card at 2 different angles. This creates a morphing image on the smart card when viewed at different angles, similar to a holographic type image. This requires a special card body with a lenticular area on the card to accept the laser engraving at the two different angles. Typically, MLI is tilted on the lenticular motion, MLI engraves in a longitudinal axis of the card. In order to make a MLI image, it requires a card laser engraver to be equipped with special CLI hardware and software. Related to MLI is CLI (Changeable laser image), CLI is similar engraving technology to MLI, but instead of engraving in a lateral axis, or short axis.

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