This week, the 3rd graders have been working on an Op art project involving lines and their hands. We discussed a variety of optical illusions and how they can trick the brain and eyes. From there we focused on one style of illusion, making 2D objects into 3D objects. We traced out hands onto white drawing paper and then choose 2-5 markers to create a color pattern. We began drawing out horizontal lines from left to right. Once we came to our fingers, back of hand, and arm, we used a curved line to show it in a three-dimensional way. The students then erased their pencil from the beginning. The end result is a hand/arm looking like it pops out from the horizontal lines.
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