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Wind-activated spiral — image 1
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Wind-activated spiral

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hanger for windy balcony.

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Model information

License
Creative Commons — Attribution — Noncommercial

Print instructions:

Printed on a single bed, this mobile pendant, its 32 mobile sections have limited rotation with its upper and lower sections at 15 degrees, thus forcing it to rotate in a beautiful spiral.

No supports are needed, a there is a .stl file though to be printed in one bed. 

I have printed without brim with no problem, if you have any, try to print it with mouse ears brim. 

Assembly:

For assembly you only need a piece of filament 1.75 mm in diameter and about 25 cm long, and a lighter, an iron or another heat source.

Insert the filament through one of the two small, smooth cylinders, pull it out through the other end, and burn and flatten the tip to prevent it from coming loose. You'll see that these cylinders have two square holes on the sides for inserting the ends of the V-shaped parts.

If it's more comfortable for you, you can rotate the handle 90 degrees; this will allow you to burn the filament tip and fuse it to the cylinder more easily.

Next, insert the 32 winged sections in order to form an ellipse. And finish with another cylinder identical to the one at the other end.

Hang it in a windy area with a string or fishing line.

If the assembly bends along the filament or blows away too easily, hang a weight from the bottom. A seashell, a keychain... or whatever you can think of.