"Lenticular" means "relating to lenses." Lenticular graphics are made up of two components: a lenticular screen (or lens), and a
flat printed image. The lens feels like grooved Plexiglas. The grooves and ridges of the lens are actually lenticules which focus
your sight on different parts of the underlying picture. The printed picture is actually made up of multiple pictures which are
printed in alternating lines. A narrow band of each image will be printed sequentially with narrow bands of each additional
image. If three images will be combined, the composite print will include a narrow band of image #1, followed by a narrow band of
image #2, then followed by a narrow band of image #3. That pattern of printing is continued (1,2,3,1,2,3,1,2,3) for the entire
composite print. Viewed in this state, the image is fuzzy. However, viewed under the lens pattern of the lenticular screen, a
different view of the image is received from different angles. This creates the special effect. The lens pattern is described in
terms of lines per inch. The composite is printed to match the lens pattern, or "pitch." Optimum viewing distances for large
format graphics are three feet to infinity.
Today's lenticular 3D graphics are a vast improvement over the cheesy novelty items of the 1950's. Holographic and volumetric
images are catching on as the way to capture attention while entertaining. Lenticular 3D images do not require any special
equipment to view, and are adaptable to many types of installations and uses.
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