Mechanical iris

I have been looking for a way to create a similar mechanical iris like this one.

I tried some things but I'm just completely lost on this one.

You guys any ideas?

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Leooow (author)  steveastrouk6 years ago
I really mean like this one. As you can see on the video, the parts are some sort of triangles, straight lines not the rounded one in the instructable.
Kiteman Leooow6 years ago
It's the same mechanism, just made with straight pieces - the apparent rotation is an optical illusion, normally masked by the curves of irises.
Leooow (author)  Kiteman6 years ago
Thanks, i'm giving it a try
aRKayy Leooow6 years ago
Let us know how it goes.