Butterfly Effect -- a kinetic sculpture by Brett Dickins,

Here's the latest sculture from Brett Dickins, this one titled Butterfly Effect.

From the video description:

One off wooden/polished aluminum gear sculpture featuring a mechanical butterfly which takes a different flight path on each revolution of the main gear. Other features include small gears on the body of the butterfly which rotate, and the introduction of polished metals as a new material in my work.

Here is where you can see unedited footage of the Butterfly Effect sculpture

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