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Think holograms are high-tech? Create the illusion of 3-D depth with Crayola® Gel Markers on Plexiglas. It’s amazing!
How do holograms work? A hologram is an image made by a special beam of light. Holograms appear to be 3-D, and the effect can be seen from all angles. Hungarian scientist Dennis Gabor invented the first hologram in 1947. You’ll want to find more information on this fascinating subject!
How do eyes perceive space? To make a 3-D image that looks like a hologram, it helps to understand how human eyes perceive space. When you look at a distant landscape, what do you notice? The colors seem dull, you see less detail, edges are not as sharp, and you see less contrast. Why? Because you are looking through the air, which has density. On overcast days, the effect is even more pronounced. This phenomenon is called atmospheric perspective.
Get the Plexiglas. To make a pseudo hologram, you need at least three pieces of Plexiglas (for the foreground, middle ground, and background). Ask a clerk at a frame shop or home center to cut the Plexiglas into equal sizes, at least as big as a large index card.
Draw a landscape scene. On your first sheet of Plexiglas, use a Crayola Gel Marker to draw images that are far away. Landscapes may be best when you first try this. Use colors that have a minimum amount of contrast, such as blue, gray, and white. Use a cotton swab to blend the edges of your drawing so it has a fuzzy, far-away look.
On the second sheet of Plexiglas, draw details that are still in the distance, but not as far away as before. Use slightly brighter colors, and blend them less. These objects should be slightly larger than the ones you drew before, because they are closer to you.
On the third sheet, draw objects in the foreground. Use highly contrasting, bright colors. Don’t blend the edges. Make these objects the largest and brightest of all.
Assemble your hologram. Roll out a thick base of white Crayola Model Magic. Press your Plexiglas into it, leaving a little space between each sheet. Air-dry overnight.
View your Pseudo Hologram from the front for a 3-D effect. WOW!
People around the world give thanks for their food. Celebrate a harvest of pineapples, pumpkins, or pomegranates-and sho
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