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Square Iris mechanism — image 1
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Square Iris mechanism

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An IRIS mechanism based on a square opening. I love the simple iris mechanism and this is based on square opening.

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I like the simple iris mechanism. I created now based on an example a square version of the mechanism. 

For printing print the base plates and outer gear one time and the inner gear and wings 4 times. The tolerances between the gears is a bit tight.

See also for other versions:

https://www.printables.com/model/278726-mechanical-iris-mechanism-with-5-blades

https://www.printables.com/model/270201-iris-mechanism-based-on-3-blades

 

 

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