Tinkercad Treadmill
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Today you will learn how to make a treadmill in Tinkercad
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Make a flat rectangular plat form with a height of 1
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Make two identical thin rectangles with the same length of the platform
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Place them on the edges of the platform
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Make two identical thin poles with cylinders
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Place them on the corners of the platform as shown
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Make two duplicate semicircles at a small size
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Cut off about 1/3 of the semicircles
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Turn them upside down
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Place them on the top of the poles
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Make a bigger flat semicircle
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Put it on top of the poles
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Place a flat square on the big semicircle
Finally, group all. Now you have a Tinkercad treadmill!