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Sine Wave Desktop Crank Toy — image 1
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Sine Wave Desktop Crank Toy

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This is a desktop sine wave visualizer fidget toy. As you rotate the crank, the sine wave propogates down the row of peg

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Creative Commons — Public Domain

This is a desktop sine wave visualizer fidget toy. As you rotate the crank, the sine wave propogates down the row of pegs in a nice, fluid motion.

Print the rods with a brim that's 2 layers wide and 2 layers thick. This will prevent them from slipping out the case when turned upside-down.

Printing this requires a relatively well-tuned printer, as there are some pretty small components on the cams. For assembly, I used a 2mm aluminum rod as the center shaft. I

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