This Christmas Tree topper circles the tree about once per minute.

Using a Jameco.com #176050 motor, 12 volt dc power supply and printed parts: http://www.thingiverse.com/thing:186453 it doesn't take long to put together and it's quite sturdy.

Step 1:

Start with the base. This is just a piece with a square slot large enough to hold the motor (with a hole out the back for wires). Connect the power supply to the motor and place the motor in the base.

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Bio: My book, A BEGINNERS GUIDE TO 3D PRINTING: 14 SIMPLE TOY DESIGNS TO GET YOU STARTED is now available. If you want to design your ... More »
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