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How could to make a rotater?

I have a lazer pointer and it has a cap that distorts the beam and breaks it up into smaller beams and you can twist the cap for different distortions

how could i build a piece that rotates the cap for me?

1 Answer

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  • 8 years ago

    You can get a motor and have some stepping gears which slow down the rotation. Power the motor with a battery and give it a double row switch.

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