Rotating balance restless for radiators
Description
This is a restless toy to hang above a radiator or similar heat source. It rotates purely by the rising heat and thus simultaneously indicates the temperature difference in the room. You need to print all the parts and then with a drop of glue, glue each of the wing blades neatly. Make sure that you always use the same amount of glue so that the balance is not lost. See a video how it works: https://youtu.be/kCx1CQ5yqzA
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